278312880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 909656064

約数和(自身を除く): 631343184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 127, 138, 184, 230, 240, 254, 276, 345, 368, 381, 397, 460, 508, 552, 635, 690, 762, 794, 920, 1016, 1104, 1191, 1270, 1380, 1524, 1588, 1840, 1905, 1985, 2032, 2382, 2540, 2760, 2921, 3048, 3176, 3810, 3970, 4764, 5080, 5520, 5842, 5955, 6096, 6352, 7620, 7940, 8763, 9131, 9528, 10160, 11684, 11910, 14605, 15240, 15880, 17526, 18262, 19056, 23368, 23820, 27393, 29210, 30480, 31760, 35052, 36524, 43815, 45655, 46736, 47640, 50419, 54786, 58420, 70104, 73048, 87630, 91310, 95280, 100838, 109572, 116840, 136965, 140208, 146096, 151257, 175260, 182620, 201676, 219144, 233680, 252095, 273930, 302514, 350520, 365240, 403352, 438288, 504190, 547860, 605028, 701040, 730480, 756285, 806704, 1008380, 1095720, 1159637, 1210056, 1512570, 2016760, 2191440, 2319274, 2420112, 3025140, 3478911, 4033520, 4638548, 5798185, 6050280, 6957822, 9277096, 11596370, 12100560, 13915644, 17394555, 18554192, 23192740, 27831288, 34789110, 46385480, 55662576, 69578220, 92770960, 139156440, 278312880]

約数ペア:

[(1, 278312880), (2, 139156440), (3, 92770960), (4, 69578220), (5, 55662576), (6, 46385480), (8, 34789110), (10, 27831288), (12, 23192740), (15, 18554192), (16, 17394555), (20, 13915644), (23, 12100560), (24, 11596370), (30, 9277096), (40, 6957822), (46, 6050280), (48, 5798185), (60, 4638548), (69, 4033520), (80, 3478911), (92, 3025140), (115, 2420112), (120, 2319274), (127, 2191440), (138, 2016760), (184, 1512570), (230, 1210056), (240, 1159637), (254, 1095720), (276, 1008380), (345, 806704), (368, 756285), (381, 730480), (397, 701040), (460, 605028), (508, 547860), (552, 504190), (635, 438288), (690, 403352), (762, 365240), (794, 350520), (920, 302514), (1016, 273930), (1104, 252095), (1191, 233680), (1270, 219144), (1380, 201676), (1524, 182620), (1588, 175260), (1840, 151257), (1905, 146096), (1985, 140208), (2032, 136965), (2382, 116840), (2540, 109572), (2760, 100838), (2921, 95280), (3048, 91310), (3176, 87630), (3810, 73048), (3970, 70104), (4764, 58420), (5080, 54786), (5520, 50419), (5842, 47640), (5955, 46736), (6096, 45655), (6352, 43815), (7620, 36524), (7940, 35052), (8763, 31760), (9131, 30480), (9528, 29210), (10160, 27393), (11684, 23820), (11910, 23368), (14605, 19056), (15240, 18262), (15880, 17526)]