81498760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1035

約数の個数: 96

約数和(自身を含む): 218496960

約数和(自身を除く): 136998200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 392, 430, 490, 602, 860, 967, 980, 1204, 1505, 1720, 1934, 1960, 2107, 2408, 3010, 3868, 4214, 4835, 6020, 6769, 7736, 8428, 9670, 10535, 12040, 13538, 16856, 19340, 21070, 27076, 33845, 38680, 41581, 42140, 47383, 54152, 67690, 83162, 84280, 94766, 135380, 166324, 189532, 207905, 236915, 270760, 291067, 332648, 379064, 415810, 473830, 582134, 831620, 947660, 1164268, 1455335, 1663240, 1895320, 2037469, 2328536, 2910670, 4074938, 5821340, 8149876, 10187345, 11642680, 16299752, 20374690, 40749380, 81498760]

約数ペア:

[(1, 81498760), (2, 40749380), (4, 20374690), (5, 16299752), (7, 11642680), (8, 10187345), (10, 8149876), (14, 5821340), (20, 4074938), (28, 2910670), (35, 2328536), (40, 2037469), (43, 1895320), (49, 1663240), (56, 1455335), (70, 1164268), (86, 947660), (98, 831620), (140, 582134), (172, 473830), (196, 415810), (215, 379064), (245, 332648), (280, 291067), (301, 270760), (344, 236915), (392, 207905), (430, 189532), (490, 166324), (602, 135380), (860, 94766), (967, 84280), (980, 83162), (1204, 67690), (1505, 54152), (1720, 47383), (1934, 42140), (1960, 41581), (2107, 38680), (2408, 33845), (3010, 27076), (3868, 21070), (4214, 19340), (4835, 16856), (6020, 13538), (6769, 12040), (7736, 10535), (8428, 9670)]