381547920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 240

約数和(自身を含む): 1339735680

約数和(自身を除く): 958187760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 104, 115, 120, 130, 138, 156, 169, 184, 195, 208, 230, 240, 260, 276, 299, 312, 338, 345, 368, 390, 409, 460, 507, 520, 552, 598, 624, 676, 690, 780, 818, 845, 897, 920, 1014, 1040, 1104, 1196, 1227, 1352, 1380, 1495, 1560, 1636, 1690, 1794, 1840, 2028, 2045, 2392, 2454, 2535, 2704, 2760, 2990, 3120, 3272, 3380, 3588, 3887, 4056, 4090, 4485, 4784, 4908, 5070, 5317, 5520, 5980, 6135, 6544, 6760, 7176, 7774, 8112, 8180, 8970, 9407, 9816, 10140, 10634, 11661, 11960, 12270, 13520, 14352, 15548, 15951, 16360, 17940, 18814, 19435, 19632, 20280, 21268, 23322, 23920, 24540, 26585, 28221, 31096, 31902, 32720, 35880, 37628, 38870, 40560, 42536, 46644, 47035, 49080, 53170, 56442, 58305, 62192, 63804, 69121, 71760, 75256, 77740, 79755, 85072, 93288, 94070, 98160, 106340, 112884, 116610, 122291, 127608, 138242, 141105, 150512, 155480, 159510, 186576, 188140, 207363, 212680, 225768, 233220, 244582, 255216, 276484, 282210, 310960, 319020, 345605, 366873, 376280, 414726, 425360, 451536, 466440, 489164, 552968, 564420, 611455, 638040, 691210, 733746, 752560, 829452, 932880, 978328, 1036815, 1105936, 1128840, 1222910, 1276080, 1382420, 1467492, 1589783, 1658904, 1834365, 1956656, 2073630, 2257680, 2445820, 2764840, 2934984, 3179566, 3317808, 3668730, 4147260, 4769349, 4891640, 5529680, 5869968, 6359132, 7337460, 7948915, 8294520, 9538698, 9783280, 12718264, 14674920, 15897830, 16589040, 19077396, 23846745, 25436528, 29349840, 31795660, 38154792, 47693490, 63591320, 76309584, 95386980, 127182640, 190773960, 381547920]

約数ペア:

[(1, 381547920), (2, 190773960), (3, 127182640), (4, 95386980), (5, 76309584), (6, 63591320), (8, 47693490), (10, 38154792), (12, 31795660), (13, 29349840), (15, 25436528), (16, 23846745), (20, 19077396), (23, 16589040), (24, 15897830), (26, 14674920), (30, 12718264), (39, 9783280), (40, 9538698), (46, 8294520), (48, 7948915), (52, 7337460), (60, 6359132), (65, 5869968), (69, 5529680), (78, 4891640), (80, 4769349), (92, 4147260), (104, 3668730), (115, 3317808), (120, 3179566), (130, 2934984), (138, 2764840), (156, 2445820), (169, 2257680), (184, 2073630), (195, 1956656), (208, 1834365), (230, 1658904), (240, 1589783), (260, 1467492), (276, 1382420), (299, 1276080), (312, 1222910), (338, 1128840), (345, 1105936), (368, 1036815), (390, 978328), (409, 932880), (460, 829452), (507, 752560), (520, 733746), (552, 691210), (598, 638040), (624, 611455), (676, 564420), (690, 552968), (780, 489164), (818, 466440), (845, 451536), (897, 425360), (920, 414726), (1014, 376280), (1040, 366873), (1104, 345605), (1196, 319020), (1227, 310960), (1352, 282210), (1380, 276484), (1495, 255216), (1560, 244582), (1636, 233220), (1690, 225768), (1794, 212680), (1840, 207363), (2028, 188140), (2045, 186576), (2392, 159510), (2454, 155480), (2535, 150512), (2704, 141105), (2760, 138242), (2990, 127608), (3120, 122291), (3272, 116610), (3380, 112884), (3588, 106340), (3887, 98160), (4056, 94070), (4090, 93288), (4485, 85072), (4784, 79755), (4908, 77740), (5070, 75256), (5317, 71760), (5520, 69121), (5980, 63804), (6135, 62192), (6544, 58305), (6760, 56442), (7176, 53170), (7774, 49080), (8112, 47035), (8180, 46644), (8970, 42536), (9407, 40560), (9816, 38870), (10140, 37628), (10634, 35880), (11661, 32720), (11960, 31902), (12270, 31096), (13520, 28221), (14352, 26585), (15548, 24540), (15951, 23920), (16360, 23322), (17940, 21268), (18814, 20280), (19435, 19632)]