80237080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 147858920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 109, 110, 140, 154, 218, 220, 239, 280, 308, 385, 436, 440, 478, 545, 616, 763, 770, 872, 956, 1090, 1195, 1199, 1526, 1540, 1673, 1912, 2180, 2390, 2398, 2629, 3052, 3080, 3346, 3815, 4360, 4780, 4796, 5258, 5995, 6104, 6692, 7630, 8365, 8393, 9560, 9592, 10516, 11990, 13145, 13384, 15260, 16730, 16786, 18403, 21032, 23980, 26051, 26290, 30520, 33460, 33572, 36806, 41965, 47960, 52102, 52580, 66920, 67144, 73612, 83930, 92015, 104204, 105160, 130255, 147224, 167860, 182357, 184030, 208408, 260510, 286561, 335720, 364714, 368060, 521020, 573122, 729428, 736120, 911785, 1042040, 1146244, 1432805, 1458856, 1823570, 2005927, 2292488, 2865610, 3647140, 4011854, 5731220, 7294280, 8023708, 10029635, 11462440, 16047416, 20059270, 40118540, 80237080]

約数ペア:

[(1, 80237080), (2, 40118540), (4, 20059270), (5, 16047416), (7, 11462440), (8, 10029635), (10, 8023708), (11, 7294280), (14, 5731220), (20, 4011854), (22, 3647140), (28, 2865610), (35, 2292488), (40, 2005927), (44, 1823570), (55, 1458856), (56, 1432805), (70, 1146244), (77, 1042040), (88, 911785), (109, 736120), (110, 729428), (140, 573122), (154, 521020), (218, 368060), (220, 364714), (239, 335720), (280, 286561), (308, 260510), (385, 208408), (436, 184030), (440, 182357), (478, 167860), (545, 147224), (616, 130255), (763, 105160), (770, 104204), (872, 92015), (956, 83930), (1090, 73612), (1195, 67144), (1199, 66920), (1526, 52580), (1540, 52102), (1673, 47960), (1912, 41965), (2180, 36806), (2390, 33572), (2398, 33460), (2629, 30520), (3052, 26290), (3080, 26051), (3346, 23980), (3815, 21032), (4360, 18403), (4780, 16786), (4796, 16730), (5258, 15260), (5995, 13384), (6104, 13145), (6692, 11990), (7630, 10516), (8365, 9592), (8393, 9560)]