2456553320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{248639}}^1$

素因数の和:248682

約数の個数: 64

約数和(自身を含む): 6265728000

約数和(自身を除く): 3809174680

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 248639, 497278, 994556, 1243195, 1989112, 2486390, 3232307, 4724141, 4972780, 6464614, 9448282, 9945560, 12929228, 16161535, 18896564, 23620705, 25858456, 32323070, 37793128, 47241410, 61413833, 64646140, 94482820, 122827666, 129292280, 188965640, 245655332, 307069165, 491310664, 614138330, 1228276660, 2456553320]

約数ペア:

[(1, 2456553320), (2, 1228276660), (4, 614138330), (5, 491310664), (8, 307069165), (10, 245655332), (13, 188965640), (19, 129292280), (20, 122827666), (26, 94482820), (38, 64646140), (40, 61413833), (52, 47241410), (65, 37793128), (76, 32323070), (95, 25858456), (104, 23620705), (130, 18896564), (152, 16161535), (190, 12929228), (247, 9945560), (260, 9448282), (380, 6464614), (494, 4972780), (520, 4724141), (760, 3232307), (988, 2486390), (1235, 1989112), (1976, 1243195), (2470, 994556), (4940, 497278), (9880, 248639)]