1561219920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:512

約数の個数: 400

約数和(自身を含む): 5989116672

約数和(自身を除く): 4427896752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 86, 90, 104, 108, 117, 120, 129, 130, 135, 144, 156, 162, 172, 180, 195, 208, 215, 216, 234, 240, 258, 260, 270, 312, 324, 344, 351, 360, 387, 390, 405, 430, 431, 432, 468, 516, 520, 540, 559, 585, 624, 645, 648, 688, 702, 720, 774, 780, 810, 860, 862, 936, 1032, 1040, 1053, 1080, 1118, 1161, 1170, 1290, 1293, 1296, 1404, 1548, 1560, 1620, 1677, 1720, 1724, 1755, 1872, 1935, 2064, 2106, 2155, 2160, 2236, 2322, 2340, 2580, 2586, 2795, 2808, 3096, 3120, 3240, 3354, 3440, 3448, 3483, 3510, 3870, 3879, 4212, 4310, 4472, 4644, 4680, 5031, 5160, 5172, 5265, 5590, 5603, 5616, 5805, 6192, 6465, 6480, 6708, 6896, 6966, 7020, 7740, 7758, 8385, 8424, 8620, 8944, 9288, 9360, 10062, 10320, 10344, 10530, 11180, 11206, 11610, 11637, 12930, 13416, 13932, 14040, 15093, 15480, 15516, 16770, 16809, 16848, 17240, 17415, 18533, 18576, 19395, 20124, 20688, 21060, 22360, 22412, 23220, 23274, 25155, 25860, 26832, 27864, 28015, 28080, 30186, 30960, 31032, 33540, 33618, 34480, 34830, 34911, 37066, 38790, 40248, 42120, 44720, 44824, 45279, 46440, 46548, 50310, 50427, 51720, 55599, 55728, 56030, 58185, 60372, 62064, 67080, 67236, 69660, 69822, 74132, 75465, 77580, 80496, 84045, 84240, 89648, 90558, 92665, 92880, 93096, 100620, 100854, 103440, 111198, 112060, 116370, 120744, 134160, 134472, 139320, 139644, 148264, 150930, 151281, 155160, 166797, 168090, 174555, 181116, 185330, 186192, 201240, 201708, 222396, 224120, 226395, 232740, 240929, 241488, 252135, 268944, 277995, 278640, 279288, 296528, 301860, 302562, 310320, 333594, 336180, 349110, 362232, 370660, 402480, 403416, 444792, 448240, 452790, 453843, 465480, 481858, 500391, 504270, 555990, 558576, 603720, 605124, 667188, 672360, 698220, 722787, 724464, 741320, 756405, 806832, 833985, 889584, 905580, 907686, 930960, 963716, 1000782, 1008540, 1111980, 1204645, 1207440, 1210248, 1334376, 1344720, 1396440, 1445574, 1482640, 1501173, 1512810, 1667970, 1811160, 1815372, 1927432, 2001564, 2017080, 2168361, 2223960, 2269215, 2409290, 2420496, 2501955, 2668752, 2792880, 2891148, 3002346, 3025620, 3335940, 3613935, 3622320, 3630744, 3854864, 4003128, 4034160, 4336722, 4447920, 4538430, 4818580, 5003910, 5782296, 6004692, 6051240, 6505083, 6671880, 7227870, 7261488, 7505865, 8006256, 8673444, 9076860, 9637160, 10007820, 10841805, 11564592, 12009384, 12102480, 13010166, 13343760, 14455740, 15011730, 17346888, 18153720, 19274320, 19515249, 20015640, 21683610, 24018768, 26020332, 28911480, 30023460, 32525415, 34693776, 36307440, 39030498, 40031280, 43367220, 52040664, 57822960, 60046920, 65050830, 78060996, 86734440, 97576245, 104081328, 120093840, 130101660, 156121992, 173468880, 195152490, 260203320, 312243984, 390304980, 520406640, 780609960, 1561219920]

約数ペア:

[(1, 1561219920), (2, 780609960), (3, 520406640), (4, 390304980), (5, 312243984), (6, 260203320), (8, 195152490), (9, 173468880), (10, 156121992), (12, 130101660), (13, 120093840), (15, 104081328), (16, 97576245), (18, 86734440), (20, 78060996), (24, 65050830), (26, 60046920), (27, 57822960), (30, 52040664), (36, 43367220), (39, 40031280), (40, 39030498), (43, 36307440), (45, 34693776), (48, 32525415), (52, 30023460), (54, 28911480), (60, 26020332), (65, 24018768), (72, 21683610), (78, 20015640), (80, 19515249), (81, 19274320), (86, 18153720), (90, 17346888), (104, 15011730), (108, 14455740), (117, 13343760), (120, 13010166), (129, 12102480), (130, 12009384), (135, 11564592), (144, 10841805), (156, 10007820), (162, 9637160), (172, 9076860), (180, 8673444), (195, 8006256), (208, 7505865), (215, 7261488), (216, 7227870), (234, 6671880), (240, 6505083), (258, 6051240), (260, 6004692), (270, 5782296), (312, 5003910), (324, 4818580), (344, 4538430), (351, 4447920), (360, 4336722), (387, 4034160), (390, 4003128), (405, 3854864), (430, 3630744), (431, 3622320), (432, 3613935), (468, 3335940), (516, 3025620), (520, 3002346), (540, 2891148), (559, 2792880), (585, 2668752), (624, 2501955), (645, 2420496), (648, 2409290), (688, 2269215), (702, 2223960), (720, 2168361), (774, 2017080), (780, 2001564), (810, 1927432), (860, 1815372), (862, 1811160), (936, 1667970), (1032, 1512810), (1040, 1501173), (1053, 1482640), (1080, 1445574), (1118, 1396440), (1161, 1344720), (1170, 1334376), (1290, 1210248), (1293, 1207440), (1296, 1204645), (1404, 1111980), (1548, 1008540), (1560, 1000782), (1620, 963716), (1677, 930960), (1720, 907686), (1724, 905580), (1755, 889584), (1872, 833985), (1935, 806832), (2064, 756405), (2106, 741320), (2155, 724464), (2160, 722787), (2236, 698220), (2322, 672360), (2340, 667188), (2580, 605124), (2586, 603720), (2795, 558576), (2808, 555990), (3096, 504270), (3120, 500391), (3240, 481858), (3354, 465480), (3440, 453843), (3448, 452790), (3483, 448240), (3510, 444792), (3870, 403416), (3879, 402480), (4212, 370660), (4310, 362232), (4472, 349110), (4644, 336180), (4680, 333594), (5031, 310320), (5160, 302562), (5172, 301860), (5265, 296528), (5590, 279288), (5603, 278640), (5616, 277995), (5805, 268944), (6192, 252135), (6465, 241488), (6480, 240929), (6708, 232740), (6896, 226395), (6966, 224120), (7020, 222396), (7740, 201708), (7758, 201240), (8385, 186192), (8424, 185330), (8620, 181116), (8944, 174555), (9288, 168090), (9360, 166797), (10062, 155160), (10320, 151281), (10344, 150930), (10530, 148264), (11180, 139644), (11206, 139320), (11610, 134472), (11637, 134160), (12930, 120744), (13416, 116370), (13932, 112060), (14040, 111198), (15093, 103440), (15480, 100854), (15516, 100620), (16770, 93096), (16809, 92880), (16848, 92665), (17240, 90558), (17415, 89648), (18533, 84240), (18576, 84045), (19395, 80496), (20124, 77580), (20688, 75465), (21060, 74132), (22360, 69822), (22412, 69660), (23220, 67236), (23274, 67080), (25155, 62064), (25860, 60372), (26832, 58185), (27864, 56030), (28015, 55728), (28080, 55599), (30186, 51720), (30960, 50427), (31032, 50310), (33540, 46548), (33618, 46440), (34480, 45279), (34830, 44824), (34911, 44720), (37066, 42120), (38790, 40248)]