865775640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{3631}}^1$

素因数の和:5632

約数の個数: 64

約数和(自身を含む): 2599349760

約数和(自身を除く): 1733574120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1987, 3631, 3974, 5961, 7262, 7948, 9935, 10893, 11922, 14524, 15896, 18155, 19870, 21786, 23844, 29048, 29805, 36310, 39740, 43572, 47688, 54465, 59610, 72620, 79480, 87144, 108930, 119220, 145240, 217860, 238440, 435720, 7214797, 14429594, 21644391, 28859188, 36073985, 43288782, 57718376, 72147970, 86577564, 108221955, 144295940, 173155128, 216443910, 288591880, 432887820, 865775640]

約数ペア:

[(1, 865775640), (2, 432887820), (3, 288591880), (4, 216443910), (5, 173155128), (6, 144295940), (8, 108221955), (10, 86577564), (12, 72147970), (15, 57718376), (20, 43288782), (24, 36073985), (30, 28859188), (40, 21644391), (60, 14429594), (120, 7214797), (1987, 435720), (3631, 238440), (3974, 217860), (5961, 145240), (7262, 119220), (7948, 108930), (9935, 87144), (10893, 79480), (11922, 72620), (14524, 59610), (15896, 54465), (18155, 47688), (19870, 43572), (21786, 39740), (23844, 36310), (29048, 29805)]