421710720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{919}}^1$

素因数の和:1180

約数の個数: 128

約数和(自身を含む): 1351296000

約数和(自身を除く): 929585280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 239, 240, 320, 384, 478, 480, 640, 717, 919, 956, 960, 1195, 1434, 1838, 1912, 1920, 2390, 2757, 2868, 3585, 3676, 3824, 4595, 4780, 5514, 5736, 7170, 7352, 7648, 9190, 9560, 11028, 11472, 13785, 14340, 14704, 15296, 18380, 19120, 22056, 22944, 27570, 28680, 29408, 30592, 36760, 38240, 44112, 45888, 55140, 57360, 58816, 73520, 76480, 88224, 91776, 110280, 114720, 117632, 147040, 152960, 176448, 219641, 220560, 229440, 294080, 352896, 439282, 441120, 458880, 588160, 658923, 878564, 882240, 1098205, 1317846, 1757128, 1764480, 2196410, 2635692, 3294615, 3514256, 4392820, 5271384, 6589230, 7028512, 8785640, 10542768, 13178460, 14057024, 17571280, 21085536, 26356920, 28114048, 35142560, 42171072, 52713840, 70285120, 84342144, 105427680, 140570240, 210855360, 421710720]

約数ペア:

[(1, 421710720), (2, 210855360), (3, 140570240), (4, 105427680), (5, 84342144), (6, 70285120), (8, 52713840), (10, 42171072), (12, 35142560), (15, 28114048), (16, 26356920), (20, 21085536), (24, 17571280), (30, 14057024), (32, 13178460), (40, 10542768), (48, 8785640), (60, 7028512), (64, 6589230), (80, 5271384), (96, 4392820), (120, 3514256), (128, 3294615), (160, 2635692), (192, 2196410), (239, 1764480), (240, 1757128), (320, 1317846), (384, 1098205), (478, 882240), (480, 878564), (640, 658923), (717, 588160), (919, 458880), (956, 441120), (960, 439282), (1195, 352896), (1434, 294080), (1838, 229440), (1912, 220560), (1920, 219641), (2390, 176448), (2757, 152960), (2868, 147040), (3585, 117632), (3676, 114720), (3824, 110280), (4595, 91776), (4780, 88224), (5514, 76480), (5736, 73520), (7170, 58816), (7352, 57360), (7648, 55140), (9190, 45888), (9560, 44112), (11028, 38240), (11472, 36760), (13785, 30592), (14340, 29408), (14704, 28680), (15296, 27570), (18380, 22944), (19120, 22056)]