80805900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 216

約数和(自身を含む): 284981760

約数和(自身を除く): 204175860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 49, 50, 60, 69, 70, 75, 84, 92, 98, 100, 105, 115, 138, 140, 147, 150, 161, 175, 196, 210, 230, 239, 245, 276, 294, 300, 322, 345, 350, 420, 460, 478, 483, 490, 525, 575, 588, 644, 690, 700, 717, 735, 805, 956, 966, 980, 1050, 1127, 1150, 1195, 1225, 1380, 1434, 1470, 1610, 1673, 1725, 1932, 2100, 2254, 2300, 2390, 2415, 2450, 2868, 2940, 3220, 3346, 3381, 3450, 3585, 3675, 4025, 4508, 4780, 4830, 4900, 5019, 5497, 5635, 5975, 6692, 6762, 6900, 7170, 7350, 8050, 8365, 9660, 10038, 10994, 11270, 11711, 11950, 12075, 13524, 14340, 14700, 16100, 16491, 16730, 16905, 17925, 20076, 21988, 22540, 23422, 23900, 24150, 25095, 27485, 28175, 32982, 33460, 33810, 35133, 35850, 38479, 41825, 46844, 48300, 50190, 54970, 56350, 58555, 65964, 67620, 70266, 71700, 76958, 82455, 83650, 84525, 100380, 109940, 112700, 115437, 117110, 125475, 137425, 140532, 153916, 164910, 167300, 169050, 175665, 192395, 230874, 234220, 250950, 269353, 274850, 292775, 329820, 338100, 351330, 384790, 412275, 461748, 501900, 538706, 549700, 577185, 585550, 702660, 769580, 808059, 824550, 878325, 961975, 1077412, 1154370, 1171100, 1346765, 1616118, 1649100, 1756650, 1923950, 2308740, 2693530, 2885925, 3232236, 3513300, 3847900, 4040295, 5387060, 5771850, 6733825, 8080590, 11543700, 13467650, 16161180, 20201475, 26935300, 40402950, 80805900]

約数ペア:

[(1, 80805900), (2, 40402950), (3, 26935300), (4, 20201475), (5, 16161180), (6, 13467650), (7, 11543700), (10, 8080590), (12, 6733825), (14, 5771850), (15, 5387060), (20, 4040295), (21, 3847900), (23, 3513300), (25, 3232236), (28, 2885925), (30, 2693530), (35, 2308740), (42, 1923950), (46, 1756650), (49, 1649100), (50, 1616118), (60, 1346765), (69, 1171100), (70, 1154370), (75, 1077412), (84, 961975), (92, 878325), (98, 824550), (100, 808059), (105, 769580), (115, 702660), (138, 585550), (140, 577185), (147, 549700), (150, 538706), (161, 501900), (175, 461748), (196, 412275), (210, 384790), (230, 351330), (239, 338100), (245, 329820), (276, 292775), (294, 274850), (300, 269353), (322, 250950), (345, 234220), (350, 230874), (420, 192395), (460, 175665), (478, 169050), (483, 167300), (490, 164910), (525, 153916), (575, 140532), (588, 137425), (644, 125475), (690, 117110), (700, 115437), (717, 112700), (735, 109940), (805, 100380), (956, 84525), (966, 83650), (980, 82455), (1050, 76958), (1127, 71700), (1150, 70266), (1195, 67620), (1225, 65964), (1380, 58555), (1434, 56350), (1470, 54970), (1610, 50190), (1673, 48300), (1725, 46844), (1932, 41825), (2100, 38479), (2254, 35850), (2300, 35133), (2390, 33810), (2415, 33460), (2450, 32982), (2868, 28175), (2940, 27485), (3220, 25095), (3346, 24150), (3381, 23900), (3450, 23422), (3585, 22540), (3675, 21988), (4025, 20076), (4508, 17925), (4780, 16905), (4830, 16730), (4900, 16491), (5019, 16100), (5497, 14700), (5635, 14340), (5975, 13524), (6692, 12075), (6762, 11950), (6900, 11711), (7170, 11270), (7350, 10994), (8050, 10038), (8365, 9660)]