129781960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1453}}^1$

素因数の和:1511

約数の個数: 128

約数和(自身を含む): 376876800

約数和(自身を除く): 247094840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 29, 35, 40, 44, 55, 56, 58, 70, 77, 88, 110, 116, 140, 145, 154, 203, 220, 232, 280, 290, 308, 319, 385, 406, 440, 580, 616, 638, 770, 812, 1015, 1160, 1276, 1453, 1540, 1595, 1624, 2030, 2233, 2552, 2906, 3080, 3190, 4060, 4466, 5812, 6380, 7265, 8120, 8932, 10171, 11165, 11624, 12760, 14530, 15983, 17864, 20342, 22330, 29060, 31966, 40684, 42137, 44660, 50855, 58120, 63932, 79915, 81368, 84274, 89320, 101710, 111881, 127864, 159830, 168548, 203420, 210685, 223762, 294959, 319660, 337096, 406840, 421370, 447524, 463507, 559405, 589918, 639320, 842740, 895048, 927014, 1118810, 1179836, 1474795, 1685480, 1854028, 2237620, 2317535, 2359672, 2949590, 3244549, 3708056, 4475240, 4635070, 5899180, 6489098, 9270140, 11798360, 12978196, 16222745, 18540280, 25956392, 32445490, 64890980, 129781960]

約数ペア:

[(1, 129781960), (2, 64890980), (4, 32445490), (5, 25956392), (7, 18540280), (8, 16222745), (10, 12978196), (11, 11798360), (14, 9270140), (20, 6489098), (22, 5899180), (28, 4635070), (29, 4475240), (35, 3708056), (40, 3244549), (44, 2949590), (55, 2359672), (56, 2317535), (58, 2237620), (70, 1854028), (77, 1685480), (88, 1474795), (110, 1179836), (116, 1118810), (140, 927014), (145, 895048), (154, 842740), (203, 639320), (220, 589918), (232, 559405), (280, 463507), (290, 447524), (308, 421370), (319, 406840), (385, 337096), (406, 319660), (440, 294959), (580, 223762), (616, 210685), (638, 203420), (770, 168548), (812, 159830), (1015, 127864), (1160, 111881), (1276, 101710), (1453, 89320), (1540, 84274), (1595, 81368), (1624, 79915), (2030, 63932), (2233, 58120), (2552, 50855), (2906, 44660), (3080, 42137), (3190, 40684), (4060, 31966), (4466, 29060), (5812, 22330), (6380, 20342), (7265, 17864), (8120, 15983), (8932, 14530), (10171, 12760), (11165, 11624)]