30977960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 76945680

約数和(自身を除く): 45967720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1453, 1640, 2132, 2665, 2906, 4264, 5330, 5812, 7265, 10660, 11624, 14530, 18889, 21320, 29060, 37778, 58120, 59573, 75556, 94445, 119146, 151112, 188890, 238292, 297865, 377780, 476584, 595730, 755560, 774449, 1191460, 1548898, 2382920, 3097796, 3872245, 6195592, 7744490, 15488980, 30977960]

約数ペア:

[(1, 30977960), (2, 15488980), (4, 7744490), (5, 6195592), (8, 3872245), (10, 3097796), (13, 2382920), (20, 1548898), (26, 1191460), (40, 774449), (41, 755560), (52, 595730), (65, 476584), (82, 377780), (104, 297865), (130, 238292), (164, 188890), (205, 151112), (260, 119146), (328, 94445), (410, 75556), (520, 59573), (533, 58120), (820, 37778), (1066, 29060), (1453, 21320), (1640, 18889), (2132, 14530), (2665, 11624), (2906, 10660), (4264, 7265), (5330, 5812)]