15900240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{683}}^1$

素因数の和:796

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 33971568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 97, 120, 194, 240, 291, 388, 485, 582, 683, 776, 970, 1164, 1366, 1455, 1552, 1940, 2049, 2328, 2732, 2910, 3415, 3880, 4098, 4656, 5464, 5820, 6830, 7760, 8196, 10245, 10928, 11640, 13660, 16392, 20490, 23280, 27320, 32784, 40980, 54640, 66251, 81960, 132502, 163920, 198753, 265004, 331255, 397506, 530008, 662510, 795012, 993765, 1060016, 1325020, 1590024, 1987530, 2650040, 3180048, 3975060, 5300080, 7950120, 15900240]

約数ペア:

[(1, 15900240), (2, 7950120), (3, 5300080), (4, 3975060), (5, 3180048), (6, 2650040), (8, 1987530), (10, 1590024), (12, 1325020), (15, 1060016), (16, 993765), (20, 795012), (24, 662510), (30, 530008), (40, 397506), (48, 331255), (60, 265004), (80, 198753), (97, 163920), (120, 132502), (194, 81960), (240, 66251), (291, 54640), (388, 40980), (485, 32784), (582, 27320), (683, 23280), (776, 20490), (970, 16392), (1164, 13660), (1366, 11640), (1455, 10928), (1552, 10245), (1940, 8196), (2049, 7760), (2328, 6830), (2732, 5820), (2910, 5464), (3415, 4656), (3880, 4098)]