2145315668440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:496

約数の個数: 1024

約数和(自身を含む): 6621718118400

約数和(自身を除く): 4476402449960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 23, 28, 29, 31, 34, 35, 40, 46, 56, 58, 62, 68, 70, 71, 85, 92, 115, 116, 119, 124, 136, 140, 142, 145, 155, 161, 170, 184, 203, 217, 230, 232, 238, 248, 280, 284, 290, 307, 310, 322, 340, 355, 391, 406, 434, 460, 476, 493, 497, 527, 568, 580, 595, 614, 620, 644, 667, 680, 710, 713, 782, 805, 812, 868, 899, 920, 952, 986, 994, 1015, 1054, 1085, 1160, 1190, 1207, 1228, 1240, 1288, 1334, 1420, 1426, 1535, 1564, 1610, 1624, 1633, 1736, 1798, 1955, 1972, 1988, 2030, 2059, 2108, 2149, 2170, 2201, 2380, 2414, 2456, 2465, 2485, 2635, 2668, 2737, 2840, 2852, 3070, 3128, 3220, 3266, 3335, 3451, 3565, 3596, 3689, 3910, 3944, 3976, 4060, 4118, 4216, 4298, 4340, 4402, 4495, 4669, 4760, 4828, 4930, 4970, 4991, 5219, 5270, 5336, 5474, 5704, 6035, 6140, 6293, 6440, 6532, 6670, 6902, 7061, 7130, 7192, 7378, 7820, 8120, 8165, 8236, 8449, 8596, 8680, 8804, 8903, 8990, 9338, 9517, 9656, 9860, 9940, 9982, 10295, 10438, 10540, 10745, 10948, 11005, 11339, 11431, 12070, 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約数ペア:

[(1, 2145315668440), (2, 1072657834220), (4, 536328917110), (5, 429063133688), (7, 306473666920), (8, 268164458555), (10, 214531566844), (14, 153236833460), (17, 126195039320), (20, 107265783422), (23, 93274594280), (28, 76618416730), (29, 73976402360), (31, 69203731240), (34, 63097519660), (35, 61294733384), (40, 53632891711), (46, 46637297140), (56, 38309208365), (58, 36988201180), (62, 34601865620), (68, 31548759830), (70, 30647366692), (71, 30215713640), (85, 25239007864), (92, 23318648570), (115, 18654918856), (116, 18494100590), (119, 18027862760), (124, 17300932810), (136, 15774379915), (140, 15323683346), (142, 15107856820), (145, 14795280472), (155, 13840746248), (161, 13324942040), (170, 12619503932), (184, 11659324285), (203, 10568057480), (217, 9886247320), (230, 9327459428), (232, 9247050295), (238, 9013931380), (248, 8650466405), (280, 7661841673), (284, 7553928410), (290, 7397640236), (307, 6987998920), (310, 6920373124), (322, 6662471020), (340, 6309751966), (355, 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