28375140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8923}}^1$

素因数の和:8988

約数の個数: 48

約数和(自身を含む): 80958528

約数和(自身を除く): 52583388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 8923, 17846, 26769, 35692, 44615, 53538, 89230, 107076, 133845, 178460, 267690, 472919, 535380, 945838, 1418757, 1891676, 2364595, 2837514, 4729190, 5675028, 7093785, 9458380, 14187570, 28375140]

約数ペア:

[(1, 28375140), (2, 14187570), (3, 9458380), (4, 7093785), (5, 5675028), (6, 4729190), (10, 2837514), (12, 2364595), (15, 1891676), (20, 1418757), (30, 945838), (53, 535380), (60, 472919), (106, 267690), (159, 178460), (212, 133845), (265, 107076), (318, 89230), (530, 53538), (636, 44615), (795, 35692), (1060, 26769), (1590, 17846), (3180, 8923)]