64645980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8101}}^1$

素因数の和:8139

約数の個数: 96

約数和(自身を含む): 217781760

約数和(自身を除く): 153135780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 8101, 16202, 24303, 32404, 40505, 48606, 56707, 81010, 97212, 113414, 121515, 153919, 162020, 170121, 226828, 243030, 283535, 307838, 340242, 461757, 486060, 567070, 615676, 680484, 769595, 850605, 923514, 1077433, 1134140, 1539190, 1701210, 1847028, 2154866, 2308785, 3078380, 3232299, 3402420, 4309732, 4617570, 5387165, 6464598, 9235140, 10774330, 12929196, 16161495, 21548660, 32322990, 64645980]

約数ペア:

[(1, 64645980), (2, 32322990), (3, 21548660), (4, 16161495), (5, 12929196), (6, 10774330), (7, 9235140), (10, 6464598), (12, 5387165), (14, 4617570), (15, 4309732), (19, 3402420), (20, 3232299), (21, 3078380), (28, 2308785), (30, 2154866), (35, 1847028), (38, 1701210), (42, 1539190), (57, 1134140), (60, 1077433), (70, 923514), (76, 850605), (84, 769595), (95, 680484), (105, 615676), (114, 567070), (133, 486060), (140, 461757), (190, 340242), (210, 307838), (228, 283535), (266, 243030), (285, 226828), (380, 170121), (399, 162020), (420, 153919), (532, 121515), (570, 113414), (665, 97212), (798, 81010), (1140, 56707), (1330, 48606), (1596, 40505), (1995, 32404), (2660, 24303), (3990, 16202), (7980, 8101)]