81299580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:399

約数の個数: 96

約数和(自身を含む): 234776640

約数和(自身を除く): 153477060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 97, 122, 183, 194, 229, 244, 291, 305, 366, 388, 458, 485, 582, 610, 687, 732, 915, 916, 970, 1145, 1164, 1220, 1374, 1455, 1830, 1940, 2290, 2748, 2910, 3435, 3660, 4580, 5820, 5917, 6870, 11834, 13740, 13969, 17751, 22213, 23668, 27938, 29585, 35502, 41907, 44426, 55876, 59170, 66639, 69845, 71004, 83814, 88755, 88852, 111065, 118340, 133278, 139690, 167628, 177510, 209535, 222130, 266556, 279380, 333195, 355020, 419070, 444260, 666390, 838140, 1332780, 1354993, 2709986, 4064979, 5419972, 6774965, 8129958, 13549930, 16259916, 20324895, 27099860, 40649790, 81299580]

約数ペア:

[(1, 81299580), (2, 40649790), (3, 27099860), (4, 20324895), (5, 16259916), (6, 13549930), (10, 8129958), (12, 6774965), (15, 5419972), (20, 4064979), (30, 2709986), (60, 1354993), (61, 1332780), (97, 838140), (122, 666390), (183, 444260), (194, 419070), (229, 355020), (244, 333195), (291, 279380), (305, 266556), (366, 222130), (388, 209535), (458, 177510), (485, 167628), (582, 139690), (610, 133278), (687, 118340), (732, 111065), (915, 88852), (916, 88755), (970, 83814), (1145, 71004), (1164, 69845), (1220, 66639), (1374, 59170), (1455, 55876), (1830, 44426), (1940, 41907), (2290, 35502), (2748, 29585), (2910, 27938), (3435, 23668), (3660, 22213), (4580, 17751), (5820, 13969), (5917, 13740), (6870, 11834)]