128770980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8689}}^1$

素因数の和:8733

約数の個数: 96

約数和(自身を含む): 408777600

約数和(自身を除く): 280006620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 8689, 14820, 17378, 26067, 34756, 43445, 52134, 86890, 104268, 112957, 130335, 165091, 173780, 225914, 260670, 330182, 338871, 451828, 495273, 521340, 564785, 660364, 677742, 825455, 990546, 1129570, 1355484, 1650910, 1694355, 1981092, 2146183, 2259140, 2476365, 3301820, 3388710, 4292366, 4952730, 6438549, 6777420, 8584732, 9905460, 10730915, 12877098, 21461830, 25754196, 32192745, 42923660, 64385490, 128770980]

約数ペア:

[(1, 128770980), (2, 64385490), (3, 42923660), (4, 32192745), (5, 25754196), (6, 21461830), (10, 12877098), (12, 10730915), (13, 9905460), (15, 8584732), (19, 6777420), (20, 6438549), (26, 4952730), (30, 4292366), (38, 3388710), (39, 3301820), (52, 2476365), (57, 2259140), (60, 2146183), (65, 1981092), (76, 1694355), (78, 1650910), (95, 1355484), (114, 1129570), (130, 990546), (156, 825455), (190, 677742), (195, 660364), (228, 564785), (247, 521340), (260, 495273), (285, 451828), (380, 338871), (390, 330182), (494, 260670), (570, 225914), (741, 173780), (780, 165091), (988, 130335), (1140, 112957), (1235, 104268), (1482, 86890), (2470, 52134), (2964, 43445), (3705, 34756), (4940, 26067), (7410, 17378), (8689, 14820)]