1237656720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{21577}}^1$

素因数の和:21832

約数の個数: 80

約数和(自身を含む): 3852967680

約数和(自身を除く): 2615310960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 239, 240, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 3824, 4780, 5736, 7170, 9560, 11472, 14340, 19120, 21577, 28680, 43154, 57360, 64731, 86308, 107885, 129462, 172616, 215770, 258924, 323655, 345232, 431540, 517848, 647310, 863080, 1035696, 1294620, 1726160, 2589240, 5156903, 5178480, 10313806, 15470709, 20627612, 25784515, 30941418, 41255224, 51569030, 61882836, 77353545, 82510448, 103138060, 123765672, 154707090, 206276120, 247531344, 309414180, 412552240, 618828360, 1237656720]

約数ペア:

[(1, 1237656720), (2, 618828360), (3, 412552240), (4, 309414180), (5, 247531344), (6, 206276120), (8, 154707090), (10, 123765672), (12, 103138060), (15, 82510448), (16, 77353545), (20, 61882836), (24, 51569030), (30, 41255224), (40, 30941418), (48, 25784515), (60, 20627612), (80, 15470709), (120, 10313806), (239, 5178480), (240, 5156903), (478, 2589240), (717, 1726160), (956, 1294620), (1195, 1035696), (1434, 863080), (1912, 647310), (2390, 517848), (2868, 431540), (3585, 345232), (3824, 323655), (4780, 258924), (5736, 215770), (7170, 172616), (9560, 129462), (11472, 107885), (14340, 86308), (19120, 64731), (21577, 57360), (28680, 43154)]