172556520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2081}}^1$

素因数の和:2786

約数の個数: 64

約数和(自身を含む): 518667840

約数和(自身を除く): 346111320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 691, 1382, 2073, 2081, 2764, 3455, 4146, 4162, 5528, 6243, 6910, 8292, 8324, 10365, 10405, 12486, 13820, 16584, 16648, 20730, 20810, 24972, 27640, 31215, 41460, 41620, 49944, 62430, 82920, 83240, 124860, 249720, 1437971, 2875942, 4313913, 5751884, 7189855, 8627826, 11503768, 14379710, 17255652, 21569565, 28759420, 34511304, 43139130, 57518840, 86278260, 172556520]

約数ペア:

[(1, 172556520), (2, 86278260), (3, 57518840), (4, 43139130), (5, 34511304), (6, 28759420), (8, 21569565), (10, 17255652), (12, 14379710), (15, 11503768), (20, 8627826), (24, 7189855), (30, 5751884), (40, 4313913), (60, 2875942), (120, 1437971), (691, 249720), (1382, 124860), (2073, 83240), (2081, 82920), (2764, 62430), (3455, 49944), (4146, 41620), (4162, 41460), (5528, 31215), (6243, 27640), (6910, 24972), (8292, 20810), (8324, 20730), (10365, 16648), (10405, 16584), (12486, 13820)]