164513040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{685471}}^1$

素因数の和:685487

約数の個数: 40

約数和(自身を含む): 509991168

約数和(自身を除く): 345478128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 685471, 1370942, 2056413, 2741884, 3427355, 4112826, 5483768, 6854710, 8225652, 10282065, 10967536, 13709420, 16451304, 20564130, 27418840, 32902608, 41128260, 54837680, 82256520, 164513040]

約数ペア:

[(1, 164513040), (2, 82256520), (3, 54837680), (4, 41128260), (5, 32902608), (6, 27418840), (8, 20564130), (10, 16451304), (12, 13709420), (15, 10967536), (16, 10282065), (20, 8225652), (24, 6854710), (30, 5483768), (40, 4112826), (48, 3427355), (60, 2741884), (80, 2056413), (120, 1370942), (240, 685471)]