123156280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1453}}^1$

素因数の和:1640

約数の個数: 64

約数和(自身を含む): 300454560

約数和(自身を除く): 177298280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 1304, 1453, 1630, 2119, 2906, 3260, 4238, 5812, 6520, 7265, 8476, 10595, 11624, 14530, 16952, 18889, 21190, 29060, 37778, 42380, 58120, 75556, 84760, 94445, 151112, 188890, 236839, 377780, 473678, 755560, 947356, 1184195, 1894712, 2368390, 3078907, 4736780, 6157814, 9473560, 12315628, 15394535, 24631256, 30789070, 61578140, 123156280]

約数ペア:

[(1, 123156280), (2, 61578140), (4, 30789070), (5, 24631256), (8, 15394535), (10, 12315628), (13, 9473560), (20, 6157814), (26, 4736780), (40, 3078907), (52, 2368390), (65, 1894712), (104, 1184195), (130, 947356), (163, 755560), (260, 473678), (326, 377780), (520, 236839), (652, 188890), (815, 151112), (1304, 94445), (1453, 84760), (1630, 75556), (2119, 58120), (2906, 42380), (3260, 37778), (4238, 29060), (5812, 21190), (6520, 18889), (7265, 16952), (8476, 14530), (10595, 11624)]