215291340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{479}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 717050880

約数和(自身を除く): 501759540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 227, 330, 396, 454, 479, 495, 660, 681, 908, 958, 990, 1135, 1362, 1437, 1916, 1980, 2043, 2270, 2395, 2497, 2724, 2874, 3405, 4086, 4311, 4540, 4790, 4994, 5269, 5748, 6810, 7185, 7491, 8172, 8622, 9580, 9988, 10215, 10538, 12485, 13620, 14370, 14982, 15807, 17244, 20430, 21076, 21555, 22473, 24970, 26345, 28740, 29964, 31614, 37455, 40860, 43110, 44946, 47421, 49940, 52690, 63228, 74910, 79035, 86220, 89892, 94842, 105380, 108733, 112365, 149820, 158070, 189684, 217466, 224730, 237105, 316140, 326199, 434932, 449460, 474210, 543665, 652398, 948420, 978597, 1087330, 1196063, 1304796, 1630995, 1957194, 2174660, 2392126, 3261990, 3588189, 3914388, 4784252, 4892985, 5980315, 6523980, 7176378, 9785970, 10764567, 11960630, 14352756, 17940945, 19571940, 21529134, 23921260, 35881890, 43058268, 53822835, 71763780, 107645670, 215291340]

約数ペア:

[(1, 215291340), (2, 107645670), (3, 71763780), (4, 53822835), (5, 43058268), (6, 35881890), (9, 23921260), (10, 21529134), (11, 19571940), (12, 17940945), (15, 14352756), (18, 11960630), (20, 10764567), (22, 9785970), (30, 7176378), (33, 6523980), (36, 5980315), (44, 4892985), (45, 4784252), (55, 3914388), (60, 3588189), (66, 3261990), (90, 2392126), (99, 2174660), (110, 1957194), (132, 1630995), (165, 1304796), (180, 1196063), (198, 1087330), (220, 978597), (227, 948420), (330, 652398), (396, 543665), (454, 474210), (479, 449460), (495, 434932), (660, 326199), (681, 316140), (908, 237105), (958, 224730), (990, 217466), (1135, 189684), (1362, 158070), (1437, 149820), (1916, 112365), (1980, 108733), (2043, 105380), (2270, 94842), (2395, 89892), (2497, 86220), (2724, 79035), (2874, 74910), (3405, 63228), (4086, 52690), (4311, 49940), (4540, 47421), (4790, 44946), (4994, 43110), (5269, 40860), (5748, 37455), (6810, 31614), (7185, 29964), (7491, 28740), (8172, 26345), (8622, 24970), (9580, 22473), (9988, 21555), (10215, 21076), (10538, 20430), (12485, 17244), (13620, 15807), (14370, 14982)]