129670520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14939}}^1$

素因数の和:14988

約数の個数: 64

約数和(自身を含む): 344217600

約数和(自身を除く): 214547080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 14939, 29878, 59756, 74695, 104573, 119512, 149390, 209146, 298780, 418292, 463109, 522865, 597560, 836584, 926218, 1045730, 1852436, 2091460, 2315545, 3241763, 3704872, 4182920, 4631090, 6483526, 9262180, 12967052, 16208815, 18524360, 25934104, 32417630, 64835260, 129670520]

約数ペア:

[(1, 129670520), (2, 64835260), (4, 32417630), (5, 25934104), (7, 18524360), (8, 16208815), (10, 12967052), (14, 9262180), (20, 6483526), (28, 4631090), (31, 4182920), (35, 3704872), (40, 3241763), (56, 2315545), (62, 2091460), (70, 1852436), (124, 1045730), (140, 926218), (155, 836584), (217, 597560), (248, 522865), (280, 463109), (310, 418292), (434, 298780), (620, 209146), (868, 149390), (1085, 119512), (1240, 104573), (1736, 74695), (2170, 59756), (4340, 29878), (8680, 14939)]