254792720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1193

約数の個数: 160

約数和(自身を含む): 753285120

約数和(自身を除く): 498492400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1129, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2258, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 4516, 5642, 5645, 6448, 7280, 7903, 8060, 8680, 9032, 11284, 11290, 14105, 14677, 15806, 16120, 17360, 18064, 22568, 22580, 28210, 29354, 31612, 32240, 34999, 39515, 45136, 45160, 56420, 58708, 63224, 69998, 73385, 79030, 90320, 102739, 112840, 117416, 126448, 139996, 146770, 158060, 174995, 205478, 225680, 234832, 244993, 279992, 293540, 316120, 349990, 410956, 454987, 489986, 513695, 559984, 587080, 632240, 699980, 821912, 909974, 979972, 1027390, 1174160, 1224965, 1399960, 1643824, 1819948, 1959944, 2054780, 2274935, 2449930, 2799920, 3184909, 3639896, 3919888, 4109560, 4549870, 4899860, 6369818, 7279792, 8219120, 9099740, 9799720, 12739636, 15924545, 18199480, 19599440, 25479272, 31849090, 36398960, 50958544, 63698180, 127396360, 254792720]

約数ペア:

[(1, 254792720), (2, 127396360), (4, 63698180), (5, 50958544), (7, 36398960), (8, 31849090), (10, 25479272), (13, 19599440), (14, 18199480), (16, 15924545), (20, 12739636), (26, 9799720), (28, 9099740), (31, 8219120), (35, 7279792), (40, 6369818), (52, 4899860), (56, 4549870), (62, 4109560), (65, 3919888), (70, 3639896), (80, 3184909), (91, 2799920), (104, 2449930), (112, 2274935), (124, 2054780), (130, 1959944), (140, 1819948), (155, 1643824), (182, 1399960), (208, 1224965), (217, 1174160), (248, 1027390), (260, 979972), (280, 909974), (310, 821912), (364, 699980), (403, 632240), (434, 587080), (455, 559984), (496, 513695), (520, 489986), (560, 454987), (620, 410956), (728, 349990), (806, 316120), (868, 293540), (910, 279992), (1040, 244993), (1085, 234832), (1129, 225680), (1240, 205478), (1456, 174995), (1612, 158060), (1736, 146770), (1820, 139996), (2015, 126448), (2170, 117416), (2258, 112840), (2480, 102739), (2821, 90320), (3224, 79030), (3472, 73385), (3640, 69998), (4030, 63224), (4340, 58708), (4516, 56420), (5642, 45160), (5645, 45136), (6448, 39515), (7280, 34999), (7903, 32240), (8060, 31612), (8680, 29354), (9032, 28210), (11284, 22580), (11290, 22568), (14105, 18064), (14677, 17360), (15806, 16120)]