238241640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21817}}^1$

素因数の和:21851

約数の個数: 128

約数和(自身を含む): 879701760

約数和(自身を除く): 641460120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 21817, 43634, 65451, 87268, 109085, 130902, 152719, 174536, 218170, 261804, 283621, 305438, 327255, 436340, 458157, 523608, 567242, 610876, 654510, 763595, 850863, 872680, 916314, 1134484, 1221752, 1309020, 1418105, 1527190, 1701726, 1832628, 1985347, 2268968, 2290785, 2618040, 2836210, 3054380, 3403452, 3665256, 3970694, 4254315, 4581570, 5672420, 5956041, 6108760, 6806904, 7941388, 8508630, 9163140, 9926735, 11344840, 11912082, 15882776, 17017260, 18326280, 19853470, 23824164, 29780205, 34034520, 39706940, 47648328, 59560410, 79413880, 119120820, 238241640]

約数ペア:

[(1, 238241640), (2, 119120820), (3, 79413880), (4, 59560410), (5, 47648328), (6, 39706940), (7, 34034520), (8, 29780205), (10, 23824164), (12, 19853470), (13, 18326280), (14, 17017260), (15, 15882776), (20, 11912082), (21, 11344840), (24, 9926735), (26, 9163140), (28, 8508630), (30, 7941388), (35, 6806904), (39, 6108760), (40, 5956041), (42, 5672420), (52, 4581570), (56, 4254315), (60, 3970694), (65, 3665256), (70, 3403452), (78, 3054380), (84, 2836210), (91, 2618040), (104, 2290785), (105, 2268968), (120, 1985347), (130, 1832628), (140, 1701726), (156, 1527190), (168, 1418105), (182, 1309020), (195, 1221752), (210, 1134484), (260, 916314), (273, 872680), (280, 850863), (312, 763595), (364, 654510), (390, 610876), (420, 567242), (455, 523608), (520, 458157), (546, 436340), (728, 327255), (780, 305438), (840, 283621), (910, 261804), (1092, 218170), (1365, 174536), (1560, 152719), (1820, 130902), (2184, 109085), (2730, 87268), (3640, 65451), (5460, 43634), (10920, 21817)]