213184920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{136657}}^1$

素因数の和:136684

約数の個数: 64

約数和(自身を含む): 688756320

約数和(自身を除く): 475571400

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, 195, 260, 312, 390, 520, 780, 1560, 136657, 273314, 409971, 546628, 683285, 819942, 1093256, 1366570, 1639884, 1776541, 2049855, 2733140, 3279768, 3553082, 4099710, 5329623, 5466280, 7106164, 8199420, 8882705, 10659246, 14212328, 16398840, 17765410, 21318492, 26648115, 35530820, 42636984, 53296230, 71061640, 106592460, 213184920]

約数ペア:

[(1, 213184920), (2, 106592460), (3, 71061640), (4, 53296230), (5, 42636984), (6, 35530820), (8, 26648115), (10, 21318492), (12, 17765410), (13, 16398840), (15, 14212328), (20, 10659246), (24, 8882705), (26, 8199420), (30, 7106164), (39, 5466280), (40, 5329623), (52, 4099710), (60, 3553082), (65, 3279768), (78, 2733140), (104, 2049855), (120, 1776541), (130, 1639884), (156, 1366570), (195, 1093256), (260, 819942), (312, 683285), (390, 546628), (520, 409971), (780, 273314), (1560, 136657)]