80349990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 237385728

約数和(自身を除く): 157035738

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 71, 85, 102, 105, 119, 142, 170, 210, 213, 238, 255, 317, 355, 357, 426, 497, 510, 595, 634, 710, 714, 951, 994, 1065, 1190, 1207, 1491, 1585, 1785, 1902, 2130, 2219, 2414, 2485, 2982, 3170, 3570, 3621, 4438, 4755, 4970, 5389, 6035, 6657, 7242, 7455, 8449, 9510, 10778, 11095, 12070, 13314, 14910, 16167, 16898, 18105, 22190, 22507, 25347, 26945, 32334, 33285, 36210, 37723, 42245, 45014, 50694, 53890, 66570, 67521, 75446, 80835, 84490, 112535, 113169, 126735, 135042, 157549, 161670, 188615, 225070, 226338, 253470, 315098, 337605, 377230, 382619, 472647, 565845, 675210, 765238, 787745, 945294, 1131690, 1147857, 1575490, 1913095, 2295714, 2363235, 2678333, 3826190, 4726470, 5356666, 5739285, 8034999, 11478570, 13391665, 16069998, 26783330, 40174995, 80349990]

約数ペア:

[(1, 80349990), (2, 40174995), (3, 26783330), (5, 16069998), (6, 13391665), (7, 11478570), (10, 8034999), (14, 5739285), (15, 5356666), (17, 4726470), (21, 3826190), (30, 2678333), (34, 2363235), (35, 2295714), (42, 1913095), (51, 1575490), (70, 1147857), (71, 1131690), (85, 945294), (102, 787745), (105, 765238), (119, 675210), (142, 565845), (170, 472647), (210, 382619), (213, 377230), (238, 337605), (255, 315098), (317, 253470), (355, 226338), (357, 225070), (426, 188615), (497, 161670), (510, 157549), (595, 135042), (634, 126735), (710, 113169), (714, 112535), (951, 84490), (994, 80835), (1065, 75446), (1190, 67521), (1207, 66570), (1491, 53890), (1585, 50694), (1785, 45014), (1902, 42245), (2130, 37723), (2219, 36210), (2414, 33285), (2485, 32334), (2982, 26945), (3170, 25347), (3570, 22507), (3621, 22190), (4438, 18105), (4755, 16898), (4970, 16167), (5389, 14910), (6035, 13314), (6657, 12070), (7242, 11095), (7455, 10778), (8449, 9510)]