663419220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21041

約数の個数: 96

約数和(自身を含む): 2030386176

約数和(自身を除く): 1366966956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 3162, 5270, 6324, 7905, 10540, 15810, 20981, 31620, 41962, 62943, 83924, 104905, 125886, 209810, 251772, 314715, 356677, 419620, 629430, 650411, 713354, 1070031, 1258860, 1300822, 1426708, 1783385, 1951233, 2140062, 2601644, 3252055, 3566770, 3902466, 4280124, 5350155, 6504110, 7133540, 7804932, 9756165, 10700310, 11056987, 13008220, 19512330, 21400620, 22113974, 33170961, 39024660, 44227948, 55284935, 66341922, 110569870, 132683844, 165854805, 221139740, 331709610, 663419220]

約数ペア:

[(1, 663419220), (2, 331709610), (3, 221139740), (4, 165854805), (5, 132683844), (6, 110569870), (10, 66341922), (12, 55284935), (15, 44227948), (17, 39024660), (20, 33170961), (30, 22113974), (31, 21400620), (34, 19512330), (51, 13008220), (60, 11056987), (62, 10700310), (68, 9756165), (85, 7804932), (93, 7133540), (102, 6504110), (124, 5350155), (155, 4280124), (170, 3902466), (186, 3566770), (204, 3252055), (255, 2601644), (310, 2140062), (340, 1951233), (372, 1783385), (465, 1426708), (510, 1300822), (527, 1258860), (620, 1070031), (930, 713354), (1020, 650411), (1054, 629430), (1581, 419620), (1860, 356677), (2108, 314715), (2635, 251772), (3162, 209810), (5270, 125886), (6324, 104905), (7905, 83924), (10540, 62943), (15810, 41962), (20981, 31620)]