51686040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1721

約数の個数: 128

約数和(自身を含む): 182108160

約数和(自身を除く): 130422120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 1663, 2072, 2220, 2590, 3108, 3326, 3885, 4440, 4989, 5180, 6216, 6652, 7770, 8315, 9978, 10360, 11641, 13304, 15540, 16630, 19956, 23282, 24945, 31080, 33260, 34923, 39912, 46564, 49890, 58205, 61531, 66520, 69846, 93128, 99780, 116410, 123062, 139692, 174615, 184593, 199560, 232820, 246124, 279384, 307655, 349230, 369186, 430717, 465640, 492248, 615310, 698460, 738372, 861434, 922965, 1230620, 1292151, 1396920, 1476744, 1722868, 1845930, 2153585, 2461240, 2584302, 3445736, 3691860, 4307170, 5168604, 6460755, 7383720, 8614340, 10337208, 12921510, 17228680, 25843020, 51686040]

約数ペア:

[(1, 51686040), (2, 25843020), (3, 17228680), (4, 12921510), (5, 10337208), (6, 8614340), (7, 7383720), (8, 6460755), (10, 5168604), (12, 4307170), (14, 3691860), (15, 3445736), (20, 2584302), (21, 2461240), (24, 2153585), (28, 1845930), (30, 1722868), (35, 1476744), (37, 1396920), (40, 1292151), (42, 1230620), (56, 922965), (60, 861434), (70, 738372), (74, 698460), (84, 615310), (105, 492248), (111, 465640), (120, 430717), (140, 369186), (148, 349230), (168, 307655), (185, 279384), (210, 246124), (222, 232820), (259, 199560), (280, 184593), (296, 174615), (370, 139692), (420, 123062), (444, 116410), (518, 99780), (555, 93128), (740, 69846), (777, 66520), (840, 61531), (888, 58205), (1036, 49890), (1110, 46564), (1295, 39912), (1480, 34923), (1554, 33260), (1663, 31080), (2072, 24945), (2220, 23282), (2590, 19956), (3108, 16630), (3326, 15540), (3885, 13304), (4440, 11641), (4989, 10360), (5180, 9978), (6216, 8315), (6652, 7770)]