66588760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1459}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 172396800

約数和(自身を除く): 105808040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1459, 1630, 2282, 2918, 3260, 4564, 5705, 5836, 6520, 7295, 9128, 10213, 11410, 11672, 14590, 20426, 22820, 29180, 40852, 45640, 51065, 58360, 81704, 102130, 204260, 237817, 408520, 475634, 951268, 1189085, 1664719, 1902536, 2378170, 3329438, 4756340, 6658876, 8323595, 9512680, 13317752, 16647190, 33294380, 66588760]

約数ペア:

[(1, 66588760), (2, 33294380), (4, 16647190), (5, 13317752), (7, 9512680), (8, 8323595), (10, 6658876), (14, 4756340), (20, 3329438), (28, 2378170), (35, 1902536), (40, 1664719), (56, 1189085), (70, 951268), (140, 475634), (163, 408520), (280, 237817), (326, 204260), (652, 102130), (815, 81704), (1141, 58360), (1304, 51065), (1459, 45640), (1630, 40852), (2282, 29180), (2918, 22820), (3260, 20426), (4564, 14590), (5705, 11672), (5836, 11410), (6520, 10213), (7295, 9128)]