15990570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 41932800

約数和(自身を除く): 25942230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1270, 1399, 1905, 2286, 2798, 3810, 4197, 5715, 6995, 8394, 11430, 12591, 13990, 20985, 25182, 41970, 62955, 125910, 177673, 355346, 533019, 888365, 1066038, 1599057, 1776730, 2665095, 3198114, 5330190, 7995285, 15990570]

約数ペア:

[(1, 15990570), (2, 7995285), (3, 5330190), (5, 3198114), (6, 2665095), (9, 1776730), (10, 1599057), (15, 1066038), (18, 888365), (30, 533019), (45, 355346), (90, 177673), (127, 125910), (254, 62955), (381, 41970), (635, 25182), (762, 20985), (1143, 13990), (1270, 12591), (1399, 11430), (1905, 8394), (2286, 6995), (2798, 5715), (3810, 4197)]