636288640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2530

約数の個数: 128

約数和(自身を含む): 1691665920

約数和(自身を除く): 1055377280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1612, 1664, 1984, 2015, 2080, 2467, 2480, 3224, 3968, 4030, 4160, 4934, 4960, 6448, 8060, 8320, 9868, 9920, 12335, 12896, 16120, 19736, 19840, 24670, 25792, 32071, 32240, 39472, 49340, 51584, 64142, 64480, 76477, 78944, 98680, 128284, 128960, 152954, 157888, 160355, 197360, 256568, 257920, 305908, 315776, 320710, 382385, 394720, 513136, 611816, 641420, 764770, 789440, 994201, 1026272, 1223632, 1282840, 1529540, 1578880, 1988402, 2052544, 2447264, 2565680, 3059080, 3976804, 4105088, 4894528, 4971005, 5131360, 6118160, 7953608, 9789056, 9942010, 10262720, 12236320, 15907216, 19884020, 20525440, 24472640, 31814432, 39768040, 48945280, 63628864, 79536080, 127257728, 159072160, 318144320, 636288640]

約数ペア:

[(1, 636288640), (2, 318144320), (4, 159072160), (5, 127257728), (8, 79536080), (10, 63628864), (13, 48945280), (16, 39768040), (20, 31814432), (26, 24472640), (31, 20525440), (32, 19884020), (40, 15907216), (52, 12236320), (62, 10262720), (64, 9942010), (65, 9789056), (80, 7953608), (104, 6118160), (124, 5131360), (128, 4971005), (130, 4894528), (155, 4105088), (160, 3976804), (208, 3059080), (248, 2565680), (260, 2447264), (310, 2052544), (320, 1988402), (403, 1578880), (416, 1529540), (496, 1282840), (520, 1223632), (620, 1026272), (640, 994201), (806, 789440), (832, 764770), (992, 641420), (1040, 611816), (1240, 513136), (1612, 394720), (1664, 382385), (1984, 320710), (2015, 315776), (2080, 305908), (2467, 257920), (2480, 256568), (3224, 197360), (3968, 160355), (4030, 157888), (4160, 152954), (4934, 128960), (4960, 128284), (6448, 98680), (8060, 78944), (8320, 76477), (9868, 64480), (9920, 64142), (12335, 51584), (12896, 49340), (16120, 39472), (19736, 32240), (19840, 32071), (24670, 25792)]