120448640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 320785920

約数和(自身を除く): 200337280

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, 467, 496, 520, 620, 640, 806, 832, 934, 992, 1040, 1240, 1612, 1664, 1868, 1984, 2015, 2080, 2335, 2480, 3224, 3736, 3968, 4030, 4160, 4670, 4960, 6071, 6448, 7472, 8060, 8320, 9340, 9920, 12142, 12896, 14477, 14944, 16120, 18680, 19840, 24284, 25792, 28954, 29888, 30355, 32240, 37360, 48568, 51584, 57908, 59776, 60710, 64480, 72385, 74720, 97136, 115816, 121420, 128960, 144770, 149440, 188201, 194272, 231632, 242840, 257920, 289540, 298880, 376402, 388544, 463264, 485680, 579080, 752804, 777088, 926528, 941005, 971360, 1158160, 1505608, 1853056, 1882010, 1942720, 2316320, 3011216, 3764020, 3885440, 4632640, 6022432, 7528040, 9265280, 12044864, 15056080, 24089728, 30112160, 60224320, 120448640]

約数ペア:

[(1, 120448640), (2, 60224320), (4, 30112160), (5, 24089728), (8, 15056080), (10, 12044864), (13, 9265280), (16, 7528040), (20, 6022432), (26, 4632640), (31, 3885440), (32, 3764020), (40, 3011216), (52, 2316320), (62, 1942720), (64, 1882010), (65, 1853056), (80, 1505608), (104, 1158160), (124, 971360), (128, 941005), (130, 926528), (155, 777088), (160, 752804), (208, 579080), (248, 485680), (260, 463264), (310, 388544), (320, 376402), (403, 298880), (416, 289540), (467, 257920), (496, 242840), (520, 231632), (620, 194272), (640, 188201), (806, 149440), (832, 144770), (934, 128960), (992, 121420), (1040, 115816), (1240, 97136), (1612, 74720), (1664, 72385), (1868, 64480), (1984, 60710), (2015, 59776), (2080, 57908), (2335, 51584), (2480, 48568), (3224, 37360), (3736, 32240), (3968, 30355), (4030, 29888), (4160, 28954), (4670, 25792), (4960, 24284), (6071, 19840), (6448, 18680), (7472, 16120), (8060, 14944), (8320, 14477), (9340, 12896), (9920, 12142)]