1388866960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1953

約数の個数: 160

約数和(自身を含む): 3747760128

約数和(自身を除く): 2358893168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 248, 260, 299, 310, 368, 403, 460, 496, 520, 598, 620, 713, 806, 920, 1040, 1196, 1240, 1426, 1495, 1612, 1840, 1873, 2015, 2392, 2480, 2852, 2990, 3224, 3565, 3746, 4030, 4784, 5704, 5980, 6448, 7130, 7492, 8060, 9269, 9365, 11408, 11960, 14260, 14984, 16120, 18538, 18730, 23920, 24349, 28520, 29968, 32240, 37076, 37460, 43079, 46345, 48698, 57040, 58063, 74152, 74920, 86158, 92690, 97396, 116126, 121745, 148304, 149840, 172316, 185380, 194792, 215395, 232252, 243490, 290315, 344632, 370760, 389584, 430790, 464504, 486980, 560027, 580630, 689264, 741520, 754819, 861580, 929008, 973960, 1120054, 1161260, 1335449, 1509638, 1723160, 1947920, 2240108, 2322520, 2670898, 2800135, 3019276, 3446320, 3774095, 4480216, 4645040, 5341796, 5600270, 6038552, 6677245, 7548190, 8960432, 10683592, 11200540, 12077104, 13354490, 15096380, 17360837, 21367184, 22401080, 26708980, 30192760, 34721674, 44802160, 53417960, 60385520, 69443348, 86804185, 106835920, 138886696, 173608370, 277773392, 347216740, 694433480, 1388866960]

約数ペア:

[(1, 1388866960), (2, 694433480), (4, 347216740), (5, 277773392), (8, 173608370), (10, 138886696), (13, 106835920), (16, 86804185), (20, 69443348), (23, 60385520), (26, 53417960), (31, 44802160), (40, 34721674), (46, 30192760), (52, 26708980), (62, 22401080), (65, 21367184), (80, 17360837), (92, 15096380), (104, 13354490), (115, 12077104), (124, 11200540), (130, 10683592), (155, 8960432), (184, 7548190), (208, 6677245), (230, 6038552), (248, 5600270), (260, 5341796), (299, 4645040), (310, 4480216), (368, 3774095), (403, 3446320), (460, 3019276), (496, 2800135), (520, 2670898), (598, 2322520), (620, 2240108), (713, 1947920), (806, 1723160), (920, 1509638), (1040, 1335449), (1196, 1161260), (1240, 1120054), (1426, 973960), (1495, 929008), (1612, 861580), (1840, 754819), (1873, 741520), (2015, 689264), (2392, 580630), (2480, 560027), (2852, 486980), (2990, 464504), (3224, 430790), (3565, 389584), (3746, 370760), (4030, 344632), (4784, 290315), (5704, 243490), (5980, 232252), (6448, 215395), (7130, 194792), (7492, 185380), (8060, 172316), (9269, 149840), (9365, 148304), (11408, 121745), (11960, 116126), (14260, 97396), (14984, 92690), (16120, 86158), (18538, 74920), (18730, 74152), (23920, 58063), (24349, 57040), (28520, 48698), (29968, 46345), (32240, 43079), (37076, 37460)]