1801764640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{27943}}^1$

素因数の和:28002

約数の個数: 96

約数和(自身を含む): 4732148736

約数和(自身を除く): 2930384096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 4030, 4960, 6448, 8060, 12896, 16120, 27943, 32240, 55886, 64480, 111772, 139715, 223544, 279430, 363259, 447088, 558860, 726518, 866233, 894176, 1117720, 1453036, 1732466, 1816295, 2235440, 2906072, 3464932, 3632590, 4331165, 4470880, 5812144, 6929864, 7265180, 8662330, 11261029, 11624288, 13859728, 14530360, 17324660, 22522058, 27719456, 29060720, 34649320, 45044116, 56305145, 58121440, 69298640, 90088232, 112610290, 138597280, 180176464, 225220580, 360352928, 450441160, 900882320, 1801764640]

約数ペア:

[(1, 1801764640), (2, 900882320), (4, 450441160), (5, 360352928), (8, 225220580), (10, 180176464), (13, 138597280), (16, 112610290), (20, 90088232), (26, 69298640), (31, 58121440), (32, 56305145), (40, 45044116), (52, 34649320), (62, 29060720), (65, 27719456), (80, 22522058), (104, 17324660), (124, 14530360), (130, 13859728), (155, 11624288), (160, 11261029), (208, 8662330), (248, 7265180), (260, 6929864), (310, 5812144), (403, 4470880), (416, 4331165), (496, 3632590), (520, 3464932), (620, 2906072), (806, 2235440), (992, 1816295), (1040, 1732466), (1240, 1453036), (1612, 1117720), (2015, 894176), (2080, 866233), (2480, 726518), (3224, 558860), (4030, 447088), (4960, 363259), (6448, 279430), (8060, 223544), (12896, 139715), (16120, 111772), (27943, 64480), (32240, 55886)]