72118400

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:782

約数の個数: 96

約数和(自身を含む): 184154880

約数和(自身を除く): 112036480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 727, 775, 800, 992, 1240, 1454, 1550, 1600, 1984, 2480, 2908, 3100, 3200, 3635, 3968, 4960, 5816, 6200, 7270, 9920, 11632, 12400, 14540, 18175, 19840, 22537, 23264, 24800, 29080, 36350, 45074, 46528, 49600, 58160, 72700, 90148, 93056, 99200, 112685, 116320, 145400, 180296, 225370, 232640, 290800, 360592, 450740, 465280, 563425, 581600, 721184, 901480, 1126850, 1163200, 1442368, 1802960, 2253700, 2326400, 2884736, 3605920, 4507400, 7211840, 9014800, 14423680, 18029600, 36059200, 72118400]

約数ペア:

[(1, 72118400), (2, 36059200), (4, 18029600), (5, 14423680), (8, 9014800), (10, 7211840), (16, 4507400), (20, 3605920), (25, 2884736), (31, 2326400), (32, 2253700), (40, 1802960), (50, 1442368), (62, 1163200), (64, 1126850), (80, 901480), (100, 721184), (124, 581600), (128, 563425), (155, 465280), (160, 450740), (200, 360592), (248, 290800), (310, 232640), (320, 225370), (400, 180296), (496, 145400), (620, 116320), (640, 112685), (727, 99200), (775, 93056), (800, 90148), (992, 72700), (1240, 58160), (1454, 49600), (1550, 46528), (1600, 45074), (1984, 36350), (2480, 29080), (2908, 24800), (3100, 23264), (3200, 22537), (3635, 19840), (3968, 18175), (4960, 14540), (5816, 12400), (6200, 11632), (7270, 9920)]