289321760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:707

約数の個数: 192

約数和(自身を含む): 869750784

約数和(自身を除く): 580429024

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 520, 560, 620, 641, 728, 806, 868, 910, 992, 1040, 1085, 1120, 1240, 1282, 1456, 1612, 1736, 1820, 2015, 2080, 2170, 2480, 2564, 2821, 2912, 3205, 3224, 3472, 3640, 4030, 4340, 4487, 4960, 5128, 5642, 6410, 6448, 6944, 7280, 8060, 8333, 8680, 8974, 10256, 11284, 12820, 12896, 14105, 14560, 16120, 16666, 17360, 17948, 19871, 20512, 22435, 22568, 25640, 28210, 32240, 33332, 34720, 35896, 39742, 41665, 44870, 45136, 51280, 56420, 58331, 64480, 66664, 71792, 79484, 83330, 89740, 90272, 99355, 102560, 112840, 116662, 133328, 139097, 143584, 158968, 166660, 179480, 198710, 225680, 233324, 258323, 266656, 278194, 291655, 317936, 333320, 358960, 397420, 451360, 466648, 516646, 556388, 583310, 635872, 666640, 695485, 717920, 794840, 933296, 1033292, 1112776, 1166620, 1291615, 1333280, 1390970, 1589680, 1808261, 1866592, 2066584, 2225552, 2333240, 2583230, 2781940, 3179360, 3616522, 4133168, 4451104, 4666480, 5166460, 5563880, 7233044, 8266336, 9041305, 9332960, 10332920, 11127760, 14466088, 18082610, 20665840, 22255520, 28932176, 36165220, 41331680, 57864352, 72330440, 144660880, 289321760]

約数ペア:

[(1, 289321760), (2, 144660880), (4, 72330440), (5, 57864352), (7, 41331680), (8, 36165220), (10, 28932176), (13, 22255520), (14, 20665840), (16, 18082610), (20, 14466088), (26, 11127760), (28, 10332920), (31, 9332960), (32, 9041305), (35, 8266336), (40, 7233044), (52, 5563880), (56, 5166460), (62, 4666480), (65, 4451104), (70, 4133168), (80, 3616522), (91, 3179360), (104, 2781940), (112, 2583230), (124, 2333240), (130, 2225552), (140, 2066584), (155, 1866592), (160, 1808261), (182, 1589680), (208, 1390970), (217, 1333280), (224, 1291615), (248, 1166620), (260, 1112776), (280, 1033292), (310, 933296), (364, 794840), (403, 717920), (416, 695485), (434, 666640), (455, 635872), (496, 583310), (520, 556388), (560, 516646), (620, 466648), (641, 451360), (728, 397420), (806, 358960), (868, 333320), (910, 317936), (992, 291655), (1040, 278194), (1085, 266656), (1120, 258323), (1240, 233324), (1282, 225680), (1456, 198710), (1612, 179480), (1736, 166660), (1820, 158968), (2015, 143584), (2080, 139097), (2170, 133328), (2480, 116662), (2564, 112840), (2821, 102560), (2912, 99355), (3205, 90272), (3224, 89740), (3472, 83330), (3640, 79484), (4030, 71792), (4340, 66664), (4487, 64480), (4960, 58331), (5128, 56420), (5642, 51280), (6410, 45136), (6448, 44870), (6944, 41665), (7280, 39742), (8060, 35896), (8333, 34720), (8680, 33332), (8974, 32240), (10256, 28210), (11284, 25640), (12820, 22568), (12896, 22435), (14105, 20512), (14560, 19871), (16120, 17948), (16666, 17360)]