1256861520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56311}}^1$

素因数の和:56361

約数の個数: 120

約数和(自身を含む): 4357197312

約数和(自身を除く): 3100335792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 56311, 112622, 168933, 225244, 281555, 337866, 450488, 506799, 563110, 675732, 844665, 900976, 1013598, 1126220, 1351464, 1689330, 1745641, 2027196, 2252440, 2533995, 2702928, 3378660, 3491282, 4054392, 4504880, 5067990, 5236923, 6757320, 6982564, 8108784, 8728205, 10135980, 10473846, 13514640, 13965128, 15710769, 17456410, 20271960, 20947692, 26184615, 27930256, 31421538, 34912820, 40543920, 41895384, 52369230, 62843076, 69825640, 78553845, 83790768, 104738460, 125686152, 139651280, 157107690, 209476920, 251372304, 314215380, 418953840, 628430760, 1256861520]

約数ペア:

[(1, 1256861520), (2, 628430760), (3, 418953840), (4, 314215380), (5, 251372304), (6, 209476920), (8, 157107690), (9, 139651280), (10, 125686152), (12, 104738460), (15, 83790768), (16, 78553845), (18, 69825640), (20, 62843076), (24, 52369230), (30, 41895384), (31, 40543920), (36, 34912820), (40, 31421538), (45, 27930256), (48, 26184615), (60, 20947692), (62, 20271960), (72, 17456410), (80, 15710769), (90, 13965128), (93, 13514640), (120, 10473846), (124, 10135980), (144, 8728205), (155, 8108784), (180, 6982564), (186, 6757320), (240, 5236923), (248, 5067990), (279, 4504880), (310, 4054392), (360, 3491282), (372, 3378660), (465, 2702928), (496, 2533995), (558, 2252440), (620, 2027196), (720, 1745641), (744, 1689330), (930, 1351464), (1116, 1126220), (1240, 1013598), (1395, 900976), (1488, 844665), (1860, 675732), (2232, 563110), (2480, 506799), (2790, 450488), (3720, 337866), (4464, 281555), (5580, 225244), (7440, 168933), (11160, 112622), (22320, 56311)]