261579240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:665

約数の個数: 256

約数和(自身を含む): 970905600

約数和(自身を除く): 709326360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 31, 36, 39, 40, 45, 52, 54, 60, 62, 65, 72, 78, 90, 93, 104, 108, 117, 120, 124, 130, 135, 155, 156, 180, 186, 195, 216, 234, 248, 260, 270, 279, 310, 312, 351, 360, 372, 390, 403, 465, 468, 520, 540, 558, 585, 601, 620, 702, 744, 780, 806, 837, 930, 936, 1080, 1116, 1170, 1202, 1209, 1240, 1395, 1404, 1560, 1612, 1674, 1755, 1803, 1860, 2015, 2232, 2340, 2404, 2418, 2790, 2808, 3005, 3224, 3348, 3510, 3606, 3627, 3720, 4030, 4185, 4680, 4808, 4836, 5409, 5580, 6010, 6045, 6696, 7020, 7212, 7254, 7813, 8060, 8370, 9015, 9672, 10818, 10881, 11160, 12020, 12090, 14040, 14424, 14508, 15626, 16120, 16227, 16740, 18030, 18135, 18631, 21636, 21762, 23439, 24040, 24180, 27045, 29016, 31252, 32454, 33480, 36060, 36270, 37262, 39065, 43272, 43524, 46878, 48360, 54090, 54405, 55893, 62504, 64908, 70317, 72120, 72540, 74524, 78130, 81135, 87048, 93155, 93756, 108180, 108810, 111786, 117195, 129816, 140634, 145080, 149048, 156260, 162270, 167679, 186310, 187512, 210951, 216360, 217620, 223572, 234390, 242203, 279465, 281268, 312520, 324540, 335358, 351585, 372620, 421902, 435240, 447144, 468780, 484406, 503037, 558930, 562536, 649080, 670716, 703170, 726609, 745240, 838395, 843804, 937560, 968812, 1006074, 1054755, 1117860, 1211015, 1341432, 1406340, 1453218, 1676790, 1687608, 1937624, 2012148, 2109510, 2179827, 2235720, 2422030, 2515185, 2812680, 2906436, 3353580, 3633045, 4024296, 4219020, 4359654, 4844060, 5030370, 5812872, 6539481, 6707160, 7266090, 8438040, 8719308, 9688120, 10060740, 10899135, 13078962, 14532180, 17438616, 20121480, 21798270, 26157924, 29064360, 32697405, 43596540, 52315848, 65394810, 87193080, 130789620, 261579240]

約数ペア:

[(1, 261579240), (2, 130789620), (3, 87193080), (4, 65394810), (5, 52315848), (6, 43596540), (8, 32697405), (9, 29064360), (10, 26157924), (12, 21798270), (13, 20121480), (15, 17438616), (18, 14532180), (20, 13078962), (24, 10899135), (26, 10060740), (27, 9688120), (30, 8719308), (31, 8438040), (36, 7266090), (39, 6707160), (40, 6539481), (45, 5812872), (52, 5030370), (54, 4844060), (60, 4359654), (62, 4219020), (65, 4024296), (72, 3633045), (78, 3353580), (90, 2906436), (93, 2812680), (104, 2515185), (108, 2422030), (117, 2235720), (120, 2179827), (124, 2109510), (130, 2012148), (135, 1937624), (155, 1687608), (156, 1676790), (180, 1453218), (186, 1406340), (195, 1341432), (216, 1211015), (234, 1117860), (248, 1054755), (260, 1006074), (270, 968812), (279, 937560), (310, 843804), (312, 838395), (351, 745240), (360, 726609), (372, 703170), (390, 670716), (403, 649080), (465, 562536), (468, 558930), (520, 503037), (540, 484406), (558, 468780), (585, 447144), (601, 435240), (620, 421902), (702, 372620), (744, 351585), (780, 335358), (806, 324540), (837, 312520), (930, 281268), (936, 279465), (1080, 242203), (1116, 234390), (1170, 223572), (1202, 217620), (1209, 216360), (1240, 210951), (1395, 187512), (1404, 186310), (1560, 167679), (1612, 162270), (1674, 156260), (1755, 149048), (1803, 145080), (1860, 140634), (2015, 129816), (2232, 117195), (2340, 111786), (2404, 108810), (2418, 108180), (2790, 93756), (2808, 93155), (3005, 87048), (3224, 81135), (3348, 78130), (3510, 74524), (3606, 72540), (3627, 72120), (3720, 70317), (4030, 64908), (4185, 62504), (4680, 55893), (4808, 54405), (4836, 54090), (5409, 48360), (5580, 46878), (6010, 43524), (6045, 43272), (6696, 39065), (7020, 37262), (7212, 36270), (7254, 36060), (7813, 33480), (8060, 32454), (8370, 31252), (9015, 29016), (9672, 27045), (10818, 24180), (10881, 24040), (11160, 23439), (12020, 21762), (12090, 21636), (14040, 18631), (14424, 18135), (14508, 18030), (15626, 16740), (16120, 16227)]