658320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 2208192

約数和(自身を除く): 1549872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 211, 240, 260, 312, 390, 422, 520, 624, 633, 780, 844, 1040, 1055, 1266, 1560, 1688, 2110, 2532, 2743, 3120, 3165, 3376, 4220, 5064, 5486, 6330, 8229, 8440, 10128, 10972, 12660, 13715, 16458, 16880, 21944, 25320, 27430, 32916, 41145, 43888, 50640, 54860, 65832, 82290, 109720, 131664, 164580, 219440, 329160, 658320]

約数ペア:

[(1, 658320), (2, 329160), (3, 219440), (4, 164580), (5, 131664), (6, 109720), (8, 82290), (10, 65832), (12, 54860), (13, 50640), (15, 43888), (16, 41145), (20, 32916), (24, 27430), (26, 25320), (30, 21944), (39, 16880), (40, 16458), (48, 13715), (52, 12660), (60, 10972), (65, 10128), (78, 8440), (80, 8229), (104, 6330), (120, 5486), (130, 5064), (156, 4220), (195, 3376), (208, 3165), (211, 3120), (240, 2743), (260, 2532), (312, 2110), (390, 1688), (422, 1560), (520, 1266), (624, 1055), (633, 1040), (780, 844)]