645658020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{170809}}^1$

素因数の和:170834

約数の個数: 96

約数和(自身を含む): 2295686400

約数和(自身を除く): 1650028380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 170809, 341618, 512427, 683236, 854045, 1024854, 1195663, 1537281, 1708090, 2049708, 2391326, 2562135, 3074562, 3416180, 3586989, 4611843, 4782652, 5124270, 5978315, 6149124, 7173978, 7686405, 9223686, 10248540, 10760967, 11956630, 14347956, 15372810, 17934945, 18447372, 21521934, 23059215, 23913260, 30745620, 32282901, 35869890, 43043868, 46118430, 53804835, 64565802, 71739780, 92236860, 107609670, 129131604, 161414505, 215219340, 322829010, 645658020]

約数ペア:

[(1, 645658020), (2, 322829010), (3, 215219340), (4, 161414505), (5, 129131604), (6, 107609670), (7, 92236860), (9, 71739780), (10, 64565802), (12, 53804835), (14, 46118430), (15, 43043868), (18, 35869890), (20, 32282901), (21, 30745620), (27, 23913260), (28, 23059215), (30, 21521934), (35, 18447372), (36, 17934945), (42, 15372810), (45, 14347956), (54, 11956630), (60, 10760967), (63, 10248540), (70, 9223686), (84, 7686405), (90, 7173978), (105, 6149124), (108, 5978315), (126, 5124270), (135, 4782652), (140, 4611843), (180, 3586989), (189, 3416180), (210, 3074562), (252, 2562135), (270, 2391326), (315, 2049708), (378, 1708090), (420, 1537281), (540, 1195663), (630, 1024854), (756, 854045), (945, 683236), (1260, 512427), (1890, 341618), (3780, 170809)]