18658920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 128

約数和(自身を含む): 64915200

約数和(自身を除く): 46256280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 229, 280, 291, 388, 420, 458, 485, 582, 679, 687, 776, 840, 916, 970, 1145, 1164, 1358, 1374, 1455, 1603, 1832, 1940, 2037, 2290, 2328, 2716, 2748, 2910, 3206, 3395, 3435, 3880, 4074, 4580, 4809, 5432, 5496, 5820, 6412, 6790, 6870, 8015, 8148, 9160, 9618, 10185, 11640, 12824, 13580, 13740, 16030, 16296, 19236, 20370, 22213, 24045, 27160, 27480, 32060, 38472, 40740, 44426, 48090, 64120, 66639, 81480, 88852, 96180, 111065, 133278, 155491, 177704, 192360, 222130, 266556, 310982, 333195, 444260, 466473, 533112, 621964, 666390, 777455, 888520, 932946, 1243928, 1332780, 1554910, 1865892, 2332365, 2665560, 3109820, 3731784, 4664730, 6219640, 9329460, 18658920]

約数ペア:

[(1, 18658920), (2, 9329460), (3, 6219640), (4, 4664730), (5, 3731784), (6, 3109820), (7, 2665560), (8, 2332365), (10, 1865892), (12, 1554910), (14, 1332780), (15, 1243928), (20, 932946), (21, 888520), (24, 777455), (28, 666390), (30, 621964), (35, 533112), (40, 466473), (42, 444260), (56, 333195), (60, 310982), (70, 266556), (84, 222130), (97, 192360), (105, 177704), (120, 155491), (140, 133278), (168, 111065), (194, 96180), (210, 88852), (229, 81480), (280, 66639), (291, 64120), (388, 48090), (420, 44426), (458, 40740), (485, 38472), (582, 32060), (679, 27480), (687, 27160), (776, 24045), (840, 22213), (916, 20370), (970, 19236), (1145, 16296), (1164, 16030), (1358, 13740), (1374, 13580), (1455, 12824), (1603, 11640), (1832, 10185), (1940, 9618), (2037, 9160), (2290, 8148), (2328, 8015), (2716, 6870), (2748, 6790), (2910, 6412), (3206, 5820), (3395, 5496), (3435, 5432), (3880, 4809), (4074, 4580)]