771499980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{379}}^1$

素因数の和:700

約数の個数: 144

約数和(自身を含む): 2410087680

約数和(自身を除く): 1638587700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 263, 379, 387, 430, 516, 526, 645, 758, 774, 789, 860, 1052, 1137, 1290, 1315, 1516, 1548, 1578, 1895, 1935, 2274, 2367, 2580, 2630, 3156, 3411, 3790, 3870, 3945, 4548, 4734, 5260, 5685, 6822, 7580, 7740, 7890, 9468, 11309, 11370, 11835, 13644, 15780, 16297, 17055, 22618, 22740, 23670, 32594, 33927, 34110, 45236, 47340, 48891, 56545, 65188, 67854, 68220, 81485, 97782, 99677, 101781, 113090, 135708, 146673, 162970, 169635, 195564, 199354, 203562, 226180, 244455, 293346, 299031, 325940, 339270, 398708, 407124, 488910, 498385, 508905, 586692, 598062, 678540, 733365, 897093, 977820, 996770, 1017810, 1196124, 1466730, 1495155, 1794186, 1993540, 2035620, 2933460, 2990310, 3588372, 4286111, 4485465, 5980620, 8572222, 8970930, 12858333, 17144444, 17941860, 21430555, 25716666, 38574999, 42861110, 51433332, 64291665, 77149998, 85722220, 128583330, 154299996, 192874995, 257166660, 385749990, 771499980]

約数ペア:

[(1, 771499980), (2, 385749990), (3, 257166660), (4, 192874995), (5, 154299996), (6, 128583330), (9, 85722220), (10, 77149998), (12, 64291665), (15, 51433332), (18, 42861110), (20, 38574999), (30, 25716666), (36, 21430555), (43, 17941860), (45, 17144444), (60, 12858333), (86, 8970930), (90, 8572222), (129, 5980620), (172, 4485465), (180, 4286111), (215, 3588372), (258, 2990310), (263, 2933460), (379, 2035620), (387, 1993540), (430, 1794186), (516, 1495155), (526, 1466730), (645, 1196124), (758, 1017810), (774, 996770), (789, 977820), (860, 897093), (1052, 733365), (1137, 678540), (1290, 598062), (1315, 586692), (1516, 508905), (1548, 498385), (1578, 488910), (1895, 407124), (1935, 398708), (2274, 339270), (2367, 325940), (2580, 299031), (2630, 293346), (3156, 244455), (3411, 226180), (3790, 203562), (3870, 199354), (3945, 195564), (4548, 169635), (4734, 162970), (5260, 146673), (5685, 135708), (6822, 113090), (7580, 101781), (7740, 99677), (7890, 97782), (9468, 81485), (11309, 68220), (11370, 67854), (11835, 65188), (13644, 56545), (15780, 48891), (16297, 47340), (17055, 45236), (22618, 34110), (22740, 33927), (23670, 32594)]