319355920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 160

約数和(自身を含む): 849945600

約数和(自身を除く): 530589680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 79, 80, 92, 104, 115, 130, 158, 169, 184, 208, 230, 260, 299, 316, 338, 368, 395, 460, 520, 598, 632, 676, 790, 845, 920, 1027, 1040, 1196, 1264, 1352, 1495, 1580, 1690, 1817, 1840, 2054, 2197, 2392, 2704, 2990, 3160, 3380, 3634, 3887, 4108, 4394, 4784, 5135, 5980, 6320, 6760, 7268, 7774, 8216, 8788, 9085, 10270, 10985, 11960, 13351, 13520, 14536, 15548, 16432, 17576, 18170, 19435, 20540, 21970, 23621, 23920, 26702, 29072, 31096, 35152, 36340, 38870, 41080, 43940, 47242, 50531, 53404, 62192, 66755, 72680, 77740, 82160, 87880, 94484, 101062, 106808, 118105, 133510, 145360, 155480, 173563, 175760, 188968, 202124, 213616, 236210, 252655, 267020, 307073, 310960, 347126, 377936, 404248, 472420, 505310, 534040, 614146, 694252, 808496, 867815, 944840, 1010620, 1068080, 1228292, 1388504, 1535365, 1735630, 1889680, 2021240, 2456584, 2777008, 3070730, 3471260, 3991949, 4042480, 4913168, 6141460, 6942520, 7983898, 12282920, 13885040, 15967796, 19959745, 24565840, 31935592, 39919490, 63871184, 79838980, 159677960, 319355920]

約数ペア:

[(1, 319355920), (2, 159677960), (4, 79838980), (5, 63871184), (8, 39919490), (10, 31935592), (13, 24565840), (16, 19959745), (20, 15967796), (23, 13885040), (26, 12282920), (40, 7983898), (46, 6942520), (52, 6141460), (65, 4913168), (79, 4042480), (80, 3991949), (92, 3471260), (104, 3070730), (115, 2777008), (130, 2456584), (158, 2021240), (169, 1889680), (184, 1735630), (208, 1535365), (230, 1388504), (260, 1228292), (299, 1068080), (316, 1010620), (338, 944840), (368, 867815), (395, 808496), (460, 694252), (520, 614146), (598, 534040), (632, 505310), (676, 472420), (790, 404248), (845, 377936), (920, 347126), (1027, 310960), (1040, 307073), (1196, 267020), (1264, 252655), (1352, 236210), (1495, 213616), (1580, 202124), (1690, 188968), (1817, 175760), (1840, 173563), (2054, 155480), (2197, 145360), (2392, 133510), (2704, 118105), (2990, 106808), (3160, 101062), (3380, 94484), (3634, 87880), (3887, 82160), (4108, 77740), (4394, 72680), (4784, 66755), (5135, 62192), (5980, 53404), (6320, 50531), (6760, 47242), (7268, 43940), (7774, 41080), (8216, 38870), (8788, 36340), (9085, 35152), (10270, 31096), (10985, 29072), (11960, 26702), (13351, 23920), (13520, 23621), (14536, 21970), (15548, 20540), (16432, 19435), (17576, 18170)]