627052920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401957}}^1$

素因数の和:401984

約数の個数: 64

約数和(自身を含む): 2025868320

約数和(自身を除く): 1398815400

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, 401957, 803914, 1205871, 1607828, 2009785, 2411742, 3215656, 4019570, 4823484, 5225441, 6029355, 8039140, 9646968, 10450882, 12058710, 15676323, 16078280, 20901764, 24117420, 26127205, 31352646, 41803528, 48234840, 52254410, 62705292, 78381615, 104508820, 125410584, 156763230, 209017640, 313526460, 627052920]

約数ペア:

[(1, 627052920), (2, 313526460), (3, 209017640), (4, 156763230), (5, 125410584), (6, 104508820), (8, 78381615), (10, 62705292), (12, 52254410), (13, 48234840), (15, 41803528), (20, 31352646), (24, 26127205), (26, 24117420), (30, 20901764), (39, 16078280), (40, 15676323), (52, 12058710), (60, 10450882), (65, 9646968), (78, 8039140), (104, 6029355), (120, 5225441), (130, 4823484), (156, 4019570), (195, 3215656), (260, 2411742), (312, 2009785), (390, 1607828), (520, 1205871), (780, 803914), (1560, 401957)]