1619728920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:631

約数の個数: 256

約数和(自身を含む): 5640192000

約数和(自身を除く): 4020463080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 101, 108, 120, 124, 135, 155, 180, 186, 202, 216, 248, 270, 279, 303, 310, 360, 372, 404, 465, 479, 505, 540, 558, 606, 620, 744, 808, 837, 909, 930, 958, 1010, 1080, 1116, 1212, 1240, 1395, 1437, 1515, 1674, 1818, 1860, 1916, 2020, 2232, 2395, 2424, 2727, 2790, 2874, 3030, 3131, 3348, 3636, 3720, 3832, 4040, 4185, 4311, 4545, 4790, 5454, 5580, 5748, 6060, 6262, 6696, 7185, 7272, 8370, 8622, 9090, 9393, 9580, 10908, 11160, 11496, 12120, 12524, 12933, 13635, 14370, 14849, 15655, 16740, 17244, 18180, 18786, 19160, 21555, 21816, 25048, 25866, 27270, 28179, 28740, 29698, 31310, 33480, 34488, 36360, 37572, 43110, 44547, 46965, 48379, 51732, 54540, 56358, 57480, 59396, 62620, 64665, 74245, 75144, 84537, 86220, 89094, 93930, 96758, 103464, 109080, 112716, 118792, 125240, 129330, 133641, 140895, 145137, 148490, 169074, 172440, 178188, 187860, 193516, 222735, 225432, 241895, 258660, 267282, 281790, 290274, 296980, 338148, 356376, 375720, 387032, 400923, 422685, 435411, 445470, 483790, 517320, 534564, 563580, 580548, 593960, 668205, 676296, 725685, 801846, 845370, 870822, 890940, 967580, 1069128, 1127160, 1161096, 1306233, 1336410, 1451370, 1499749, 1603692, 1690740, 1741644, 1781880, 1935160, 2004615, 2177055, 2612466, 2672820, 2902740, 2999498, 3207384, 3381480, 3483288, 4009230, 4354110, 4499247, 5224932, 5345640, 5805480, 5998996, 6531165, 7498745, 8018460, 8708220, 8998494, 10449864, 11997992, 13062330, 13497741, 14997490, 16036920, 17416440, 17996988, 22496235, 26124660, 26995482, 29994980, 35993976, 40493223, 44992470, 52249320, 53990964, 59989960, 67488705, 80986446, 89984940, 107981928, 134977410, 161972892, 179969880, 202466115, 269954820, 323945784, 404932230, 539909640, 809864460, 1619728920]

約数ペア:

[(1, 1619728920), (2, 809864460), (3, 539909640), (4, 404932230), (5, 323945784), (6, 269954820), (8, 202466115), (9, 179969880), (10, 161972892), (12, 134977410), (15, 107981928), (18, 89984940), (20, 80986446), (24, 67488705), (27, 59989960), (30, 53990964), (31, 52249320), (36, 44992470), (40, 40493223), (45, 35993976), (54, 29994980), (60, 26995482), (62, 26124660), (72, 22496235), (90, 17996988), (93, 17416440), (101, 16036920), (108, 14997490), (120, 13497741), (124, 13062330), (135, 11997992), (155, 10449864), (180, 8998494), (186, 8708220), (202, 8018460), (216, 7498745), (248, 6531165), (270, 5998996), (279, 5805480), (303, 5345640), (310, 5224932), (360, 4499247), (372, 4354110), (404, 4009230), (465, 3483288), (479, 3381480), (505, 3207384), (540, 2999498), (558, 2902740), (606, 2672820), (620, 2612466), (744, 2177055), (808, 2004615), (837, 1935160), (909, 1781880), (930, 1741644), (958, 1690740), (1010, 1603692), (1080, 1499749), (1116, 1451370), (1212, 1336410), (1240, 1306233), (1395, 1161096), (1437, 1127160), (1515, 1069128), (1674, 967580), (1818, 890940), (1860, 870822), (1916, 845370), (2020, 801846), (2232, 725685), (2395, 676296), (2424, 668205), (2727, 593960), (2790, 580548), (2874, 563580), (3030, 534564), (3131, 517320), (3348, 483790), (3636, 445470), (3720, 435411), (3832, 422685), (4040, 400923), (4185, 387032), (4311, 375720), (4545, 356376), (4790, 338148), (5454, 296980), (5580, 290274), (5748, 281790), (6060, 267282), (6262, 258660), (6696, 241895), (7185, 225432), (7272, 222735), (8370, 193516), (8622, 187860), (9090, 178188), (9393, 172440), (9580, 169074), (10908, 148490), (11160, 145137), (11496, 140895), (12120, 133641), (12524, 129330), (12933, 125240), (13635, 118792), (14370, 112716), (14849, 109080), (15655, 103464), (16740, 96758), (17244, 93930), (18180, 89094), (18786, 86220), (19160, 84537), (21555, 75144), (21816, 74245), (25048, 64665), (25866, 62620), (27270, 59396), (28179, 57480), (28740, 56358), (29698, 54540), (31310, 51732), (33480, 48379), (34488, 46965), (36360, 44547), (37572, 43110)]