8135640

素因数分解:

$2^3\times 3^8\times 5^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 28342080

約数和(自身を除く): 20206440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 729, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1395, 1458, 1620, 1674, 1860, 1944, 2187, 2232, 2430, 2511, 2790, 2916, 3240, 3348, 3645, 3720, 4185, 4374, 4860, 5022, 5580, 5832, 6561, 6696, 7290, 7533, 8370, 8748, 9720, 10044, 10935, 11160, 12555, 13122, 14580, 15066, 16740, 17496, 20088, 21870, 22599, 25110, 26244, 29160, 30132, 32805, 33480, 37665, 43740, 45198, 50220, 52488, 60264, 65610, 67797, 75330, 87480, 90396, 100440, 112995, 131220, 135594, 150660, 180792, 203391, 225990, 262440, 271188, 301320, 338985, 406782, 451980, 542376, 677970, 813564, 903960, 1016955, 1355940, 1627128, 2033910, 2711880, 4067820, 8135640]

約数ペア:

[(1, 8135640), (2, 4067820), (3, 2711880), (4, 2033910), (5, 1627128), (6, 1355940), (8, 1016955), (9, 903960), (10, 813564), (12, 677970), (15, 542376), (18, 451980), (20, 406782), (24, 338985), (27, 301320), (30, 271188), (31, 262440), (36, 225990), (40, 203391), (45, 180792), (54, 150660), (60, 135594), (62, 131220), (72, 112995), (81, 100440), (90, 90396), (93, 87480), (108, 75330), (120, 67797), (124, 65610), (135, 60264), (155, 52488), (162, 50220), (180, 45198), (186, 43740), (216, 37665), (243, 33480), (248, 32805), (270, 30132), (279, 29160), (310, 26244), (324, 25110), (360, 22599), (372, 21870), (405, 20088), (465, 17496), (486, 16740), (540, 15066), (558, 14580), (620, 13122), (648, 12555), (729, 11160), (744, 10935), (810, 10044), (837, 9720), (930, 8748), (972, 8370), (1080, 7533), (1116, 7290), (1215, 6696), (1240, 6561), (1395, 5832), (1458, 5580), (1620, 5022), (1674, 4860), (1860, 4374), (1944, 4185), (2187, 3720), (2232, 3645), (2430, 3348), (2511, 3240), (2790, 2916)]