15217680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 47586240

約数和(自身を除く): 32368560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 163, 240, 326, 389, 489, 652, 778, 815, 978, 1167, 1304, 1556, 1630, 1945, 1956, 2334, 2445, 2608, 3112, 3260, 3890, 3912, 4668, 4890, 5835, 6224, 6520, 7780, 7824, 9336, 9780, 11670, 13040, 15560, 18672, 19560, 23340, 31120, 39120, 46680, 63407, 93360, 126814, 190221, 253628, 317035, 380442, 507256, 634070, 760884, 951105, 1014512, 1268140, 1521768, 1902210, 2536280, 3043536, 3804420, 5072560, 7608840, 15217680]

約数ペア:

[(1, 15217680), (2, 7608840), (3, 5072560), (4, 3804420), (5, 3043536), (6, 2536280), (8, 1902210), (10, 1521768), (12, 1268140), (15, 1014512), (16, 951105), (20, 760884), (24, 634070), (30, 507256), (40, 380442), (48, 317035), (60, 253628), (80, 190221), (120, 126814), (163, 93360), (240, 63407), (326, 46680), (389, 39120), (489, 31120), (652, 23340), (778, 19560), (815, 18672), (978, 15560), (1167, 13040), (1304, 11670), (1556, 9780), (1630, 9336), (1945, 7824), (1956, 7780), (2334, 6520), (2445, 6224), (2608, 5835), (3112, 4890), (3260, 4668), (3890, 3912)]