64450980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1$

素因数の和:826

約数の個数: 144

約数和(自身を含む): 218522304

約数和(自身を除く): 154071324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 43, 44, 45, 55, 60, 66, 86, 90, 99, 110, 129, 132, 165, 172, 180, 198, 215, 220, 258, 330, 387, 396, 430, 473, 495, 516, 645, 660, 757, 774, 860, 946, 990, 1290, 1419, 1514, 1548, 1892, 1935, 1980, 2271, 2365, 2580, 2838, 3028, 3785, 3870, 4257, 4542, 4730, 5676, 6813, 7095, 7570, 7740, 8327, 8514, 9084, 9460, 11355, 13626, 14190, 15140, 16654, 17028, 21285, 22710, 24981, 27252, 28380, 32551, 33308, 34065, 41635, 42570, 45420, 49962, 65102, 68130, 74943, 83270, 85140, 97653, 99924, 124905, 130204, 136260, 149886, 162755, 166540, 195306, 249810, 292959, 299772, 325510, 358061, 374715, 390612, 488265, 499620, 585918, 651020, 716122, 749430, 976530, 1074183, 1171836, 1432244, 1464795, 1498860, 1790305, 1953060, 2148366, 2929590, 3222549, 3580610, 4296732, 5370915, 5859180, 6445098, 7161220, 10741830, 12890196, 16112745, 21483660, 32225490, 64450980]

約数ペア:

[(1, 64450980), (2, 32225490), (3, 21483660), (4, 16112745), (5, 12890196), (6, 10741830), (9, 7161220), (10, 6445098), (11, 5859180), (12, 5370915), (15, 4296732), (18, 3580610), (20, 3222549), (22, 2929590), (30, 2148366), (33, 1953060), (36, 1790305), (43, 1498860), (44, 1464795), (45, 1432244), (55, 1171836), (60, 1074183), (66, 976530), (86, 749430), (90, 716122), (99, 651020), (110, 585918), (129, 499620), (132, 488265), (165, 390612), (172, 374715), (180, 358061), (198, 325510), (215, 299772), (220, 292959), (258, 249810), (330, 195306), (387, 166540), (396, 162755), (430, 149886), (473, 136260), (495, 130204), (516, 124905), (645, 99924), (660, 97653), (757, 85140), (774, 83270), (860, 74943), (946, 68130), (990, 65102), (1290, 49962), (1419, 45420), (1514, 42570), (1548, 41635), (1892, 34065), (1935, 33308), (1980, 32551), (2271, 28380), (2365, 27252), (2580, 24981), (2838, 22710), (3028, 21285), (3785, 17028), (3870, 16654), (4257, 15140), (4542, 14190), (4730, 13626), (5676, 11355), (6813, 9460), (7095, 9084), (7570, 8514), (7740, 8327)]