15388400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 40961664

約数和(自身を除く): 25573264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 73, 80, 85, 100, 124, 136, 146, 155, 170, 200, 248, 272, 292, 310, 340, 365, 400, 425, 496, 527, 584, 620, 680, 730, 775, 850, 1054, 1168, 1240, 1241, 1360, 1460, 1550, 1700, 1825, 2108, 2263, 2480, 2482, 2635, 2920, 3100, 3400, 3650, 4216, 4526, 4964, 5270, 5840, 6200, 6205, 6800, 7300, 8432, 9052, 9928, 10540, 11315, 12400, 12410, 13175, 14600, 18104, 19856, 21080, 22630, 24820, 26350, 29200, 31025, 36208, 38471, 42160, 45260, 49640, 52700, 56575, 62050, 76942, 90520, 99280, 105400, 113150, 124100, 153884, 181040, 192355, 210800, 226300, 248200, 307768, 384710, 452600, 496400, 615536, 769420, 905200, 961775, 1538840, 1923550, 3077680, 3847100, 7694200, 15388400]

約数ペア:

[(1, 15388400), (2, 7694200), (4, 3847100), (5, 3077680), (8, 1923550), (10, 1538840), (16, 961775), (17, 905200), (20, 769420), (25, 615536), (31, 496400), (34, 452600), (40, 384710), (50, 307768), (62, 248200), (68, 226300), (73, 210800), (80, 192355), (85, 181040), (100, 153884), (124, 124100), (136, 113150), (146, 105400), (155, 99280), (170, 90520), (200, 76942), (248, 62050), (272, 56575), (292, 52700), (310, 49640), (340, 45260), (365, 42160), (400, 38471), (425, 36208), (496, 31025), (527, 29200), (584, 26350), (620, 24820), (680, 22630), (730, 21080), (775, 19856), (850, 18104), (1054, 14600), (1168, 13175), (1240, 12410), (1241, 12400), (1360, 11315), (1460, 10540), (1550, 9928), (1700, 9052), (1825, 8432), (2108, 7300), (2263, 6800), (2480, 6205), (2482, 6200), (2635, 5840), (2920, 5270), (3100, 4964), (3400, 4526), (3650, 4216)]