65390520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 213373440

約数和(自身を除く): 147982920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 167, 195, 251, 260, 312, 334, 390, 501, 502, 520, 668, 753, 780, 835, 1002, 1004, 1255, 1336, 1506, 1560, 1670, 2004, 2008, 2171, 2505, 2510, 3012, 3263, 3340, 3765, 4008, 4342, 5010, 5020, 6024, 6513, 6526, 6680, 7530, 8684, 9789, 10020, 10040, 10855, 13026, 13052, 15060, 16315, 17368, 19578, 20040, 21710, 26052, 26104, 30120, 32565, 32630, 39156, 41917, 43420, 48945, 52104, 65130, 65260, 78312, 83834, 86840, 97890, 125751, 130260, 130520, 167668, 195780, 209585, 251502, 260520, 335336, 391560, 419170, 503004, 544921, 628755, 838340, 1006008, 1089842, 1257510, 1634763, 1676680, 2179684, 2515020, 2724605, 3269526, 4359368, 5030040, 5449210, 6539052, 8173815, 10898420, 13078104, 16347630, 21796840, 32695260, 65390520]

約数ペア:

[(1, 65390520), (2, 32695260), (3, 21796840), (4, 16347630), (5, 13078104), (6, 10898420), (8, 8173815), (10, 6539052), (12, 5449210), (13, 5030040), (15, 4359368), (20, 3269526), (24, 2724605), (26, 2515020), (30, 2179684), (39, 1676680), (40, 1634763), (52, 1257510), (60, 1089842), (65, 1006008), (78, 838340), (104, 628755), (120, 544921), (130, 503004), (156, 419170), (167, 391560), (195, 335336), (251, 260520), (260, 251502), (312, 209585), (334, 195780), (390, 167668), (501, 130520), (502, 130260), (520, 125751), (668, 97890), (753, 86840), (780, 83834), (835, 78312), (1002, 65260), (1004, 65130), (1255, 52104), (1336, 48945), (1506, 43420), (1560, 41917), (1670, 39156), (2004, 32630), (2008, 32565), (2171, 30120), (2505, 26104), (2510, 26052), (3012, 21710), (3263, 20040), (3340, 19578), (3765, 17368), (4008, 16315), (4342, 15060), (5010, 13052), (5020, 13026), (6024, 10855), (6513, 10040), (6526, 10020), (6680, 9789), (7530, 8684)]