7942480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1124

約数の個数: 80

約数和(自身を含む): 22748544

約数和(自身を除く): 14806064

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1091, 1456, 1820, 2182, 3640, 4364, 5455, 7280, 7637, 8728, 10910, 14183, 15274, 17456, 21820, 28366, 30548, 38185, 43640, 56732, 61096, 70915, 76370, 87280, 99281, 113464, 122192, 141830, 152740, 198562, 226928, 283660, 305480, 397124, 496405, 567320, 610960, 794248, 992810, 1134640, 1588496, 1985620, 3971240, 7942480]

約数ペア:

[(1, 7942480), (2, 3971240), (4, 1985620), (5, 1588496), (7, 1134640), (8, 992810), (10, 794248), (13, 610960), (14, 567320), (16, 496405), (20, 397124), (26, 305480), (28, 283660), (35, 226928), (40, 198562), (52, 152740), (56, 141830), (65, 122192), (70, 113464), (80, 99281), (91, 87280), (104, 76370), (112, 70915), (130, 61096), (140, 56732), (182, 43640), (208, 38185), (260, 30548), (280, 28366), (364, 21820), (455, 17456), (520, 15274), (560, 14183), (728, 10910), (910, 8728), (1040, 7637), (1091, 7280), (1456, 5455), (1820, 4364), (2182, 3640)]