645603960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{1361}}^1$

素因数の和:1501

約数の個数: 128

約数和(自身を含む): 2000505600

約数和(自身を除く): 1354901640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 67, 118, 120, 134, 177, 201, 236, 268, 295, 335, 354, 402, 472, 536, 590, 670, 708, 804, 885, 1005, 1180, 1340, 1361, 1416, 1608, 1770, 2010, 2360, 2680, 2722, 3540, 3953, 4020, 4083, 5444, 6805, 7080, 7906, 8040, 8166, 10888, 11859, 13610, 15812, 16332, 19765, 20415, 23718, 27220, 31624, 32664, 39530, 40830, 47436, 54440, 59295, 79060, 80299, 81660, 91187, 94872, 118590, 158120, 160598, 163320, 182374, 237180, 240897, 273561, 321196, 364748, 401495, 455935, 474360, 481794, 547122, 642392, 729496, 802990, 911870, 963588, 1094244, 1204485, 1367805, 1605980, 1823740, 1927176, 2188488, 2408970, 2735610, 3211960, 3647480, 4817940, 5380033, 5471220, 9635880, 10760066, 10942440, 16140099, 21520132, 26900165, 32280198, 43040264, 53800330, 64560396, 80700495, 107600660, 129120792, 161400990, 215201320, 322801980, 645603960]

約数ペア:

[(1, 645603960), (2, 322801980), (3, 215201320), (4, 161400990), (5, 129120792), (6, 107600660), (8, 80700495), (10, 64560396), (12, 53800330), (15, 43040264), (20, 32280198), (24, 26900165), (30, 21520132), (40, 16140099), (59, 10942440), (60, 10760066), (67, 9635880), (118, 5471220), (120, 5380033), (134, 4817940), (177, 3647480), (201, 3211960), (236, 2735610), (268, 2408970), (295, 2188488), (335, 1927176), (354, 1823740), (402, 1605980), (472, 1367805), (536, 1204485), (590, 1094244), (670, 963588), (708, 911870), (804, 802990), (885, 729496), (1005, 642392), (1180, 547122), (1340, 481794), (1361, 474360), (1416, 455935), (1608, 401495), (1770, 364748), (2010, 321196), (2360, 273561), (2680, 240897), (2722, 237180), (3540, 182374), (3953, 163320), (4020, 160598), (4083, 158120), (5444, 118590), (6805, 94872), (7080, 91187), (7906, 81660), (8040, 80299), (8166, 79060), (10888, 59295), (11859, 54440), (13610, 47436), (15812, 40830), (16332, 39530), (19765, 32664), (20415, 31624), (23718, 27220)]