64508990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:107

約数の個数: 144

約数和(自身を含む): 157716720

約数和(自身を除く): 93207730

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 41, 49, 65, 70, 82, 91, 95, 98, 130, 133, 169, 182, 190, 205, 245, 247, 266, 287, 338, 410, 455, 490, 494, 533, 574, 637, 665, 779, 845, 910, 931, 1066, 1183, 1235, 1274, 1330, 1435, 1558, 1690, 1729, 1862, 2009, 2366, 2470, 2665, 2870, 3185, 3211, 3458, 3731, 3895, 4018, 4655, 5330, 5453, 5915, 6370, 6422, 6929, 7462, 7790, 8281, 8645, 9310, 10045, 10127, 10906, 11830, 12103, 13858, 16055, 16562, 17290, 18655, 20090, 20254, 22477, 24206, 26117, 27265, 32110, 34645, 37310, 38171, 41405, 44954, 48503, 50635, 52234, 54530, 60515, 69290, 70889, 76342, 82810, 97006, 101270, 112385, 121030, 130585, 131651, 141778, 157339, 190855, 224770, 242515, 261170, 263302, 314678, 339521, 354445, 381710, 485030, 496223, 658255, 679042, 708890, 786695, 921557, 992446, 1316510, 1573390, 1697605, 1843114, 2481115, 3395210, 4607785, 4962230, 6450899, 9215570, 12901798, 32254495, 64508990]

約数ペア:

[(1, 64508990), (2, 32254495), (5, 12901798), (7, 9215570), (10, 6450899), (13, 4962230), (14, 4607785), (19, 3395210), (26, 2481115), (35, 1843114), (38, 1697605), (41, 1573390), (49, 1316510), (65, 992446), (70, 921557), (82, 786695), (91, 708890), (95, 679042), (98, 658255), (130, 496223), (133, 485030), (169, 381710), (182, 354445), (190, 339521), (205, 314678), (245, 263302), (247, 261170), (266, 242515), (287, 224770), (338, 190855), (410, 157339), (455, 141778), (490, 131651), (494, 130585), (533, 121030), (574, 112385), (637, 101270), (665, 97006), (779, 82810), (845, 76342), (910, 70889), (931, 69290), (1066, 60515), (1183, 54530), (1235, 52234), (1274, 50635), (1330, 48503), (1435, 44954), (1558, 41405), (1690, 38171), (1729, 37310), (1862, 34645), (2009, 32110), (2366, 27265), (2470, 26117), (2665, 24206), (2870, 22477), (3185, 20254), (3211, 20090), (3458, 18655), (3731, 17290), (3895, 16562), (4018, 16055), (4655, 13858), (5330, 12103), (5453, 11830), (5915, 10906), (6370, 10127), (6422, 10045), (6929, 9310), (7462, 8645), (7790, 8281)]