1280979336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5381}}^1$

素因数の和:5519

約数の個数: 128

約数和(自身を含む): 3978374400

約数和(自身を除く): 2697395064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 109, 156, 168, 182, 218, 273, 312, 327, 364, 436, 546, 654, 728, 763, 872, 1092, 1308, 1417, 1526, 2184, 2289, 2616, 2834, 3052, 4251, 4578, 5381, 5668, 6104, 8502, 9156, 9919, 10762, 11336, 16143, 17004, 18312, 19838, 21524, 29757, 32286, 34008, 37667, 39676, 43048, 59514, 64572, 69953, 75334, 79352, 113001, 119028, 129144, 139906, 150668, 209859, 226002, 238056, 279812, 301336, 419718, 452004, 489671, 559624, 586529, 839436, 904008, 979342, 1173058, 1469013, 1678872, 1759587, 1958684, 2346116, 2938026, 3519174, 3917368, 4105703, 4692232, 5876052, 7038348, 7624877, 8211406, 11752104, 12317109, 14076696, 15249754, 16422812, 22874631, 24634218, 30499508, 32845624, 45749262, 49268436, 53374139, 60999016, 91498524, 98536872, 106748278, 160122417, 182997048, 213496556, 320244834, 426993112, 640489668, 1280979336]

約数ペア:

[(1, 1280979336), (2, 640489668), (3, 426993112), (4, 320244834), (6, 213496556), (7, 182997048), (8, 160122417), (12, 106748278), (13, 98536872), (14, 91498524), (21, 60999016), (24, 53374139), (26, 49268436), (28, 45749262), (39, 32845624), (42, 30499508), (52, 24634218), (56, 22874631), (78, 16422812), (84, 15249754), (91, 14076696), (104, 12317109), (109, 11752104), (156, 8211406), (168, 7624877), (182, 7038348), (218, 5876052), (273, 4692232), (312, 4105703), (327, 3917368), (364, 3519174), (436, 2938026), (546, 2346116), (654, 1958684), (728, 1759587), (763, 1678872), (872, 1469013), (1092, 1173058), (1308, 979342), (1417, 904008), (1526, 839436), (2184, 586529), (2289, 559624), (2616, 489671), (2834, 452004), (3052, 419718), (4251, 301336), (4578, 279812), (5381, 238056), (5668, 226002), (6104, 209859), (8502, 150668), (9156, 139906), (9919, 129144), (10762, 119028), (11336, 113001), (16143, 79352), (17004, 75334), (18312, 69953), (19838, 64572), (21524, 59514), (29757, 43048), (32286, 39676), (34008, 37667)]