15985600

素因数分解:

$2^6\times 5^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 84

約数和(自身を含む): 40125904

約数和(自身を除く): 24140304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 103, 160, 194, 200, 206, 320, 388, 400, 412, 485, 515, 776, 800, 824, 970, 1030, 1552, 1600, 1648, 1940, 2060, 2425, 2575, 3104, 3296, 3880, 4120, 4850, 5150, 6208, 6592, 7760, 8240, 9700, 9991, 10300, 15520, 16480, 19400, 19982, 20600, 31040, 32960, 38800, 39964, 41200, 49955, 77600, 79928, 82400, 99910, 155200, 159856, 164800, 199820, 249775, 319712, 399640, 499550, 639424, 799280, 999100, 1598560, 1998200, 3197120, 3996400, 7992800, 15985600]

約数ペア:

[(1, 15985600), (2, 7992800), (4, 3996400), (5, 3197120), (8, 1998200), (10, 1598560), (16, 999100), (20, 799280), (25, 639424), (32, 499550), (40, 399640), (50, 319712), (64, 249775), (80, 199820), (97, 164800), (100, 159856), (103, 155200), (160, 99910), (194, 82400), (200, 79928), (206, 77600), (320, 49955), (388, 41200), (400, 39964), (412, 38800), (485, 32960), (515, 31040), (776, 20600), (800, 19982), (824, 19400), (970, 16480), (1030, 15520), (1552, 10300), (1600, 9991), (1648, 9700), (1940, 8240), (2060, 7760), (2425, 6592), (2575, 6208), (3104, 5150), (3296, 4850), (3880, 4120)]