81568830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{7927}}^1$

素因数の和:7958

約数の個数: 64

約数和(自身を含む): 228326400

約数和(自身を除く): 146757570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 343, 490, 686, 735, 1029, 1470, 1715, 2058, 3430, 5145, 7927, 10290, 15854, 23781, 39635, 47562, 55489, 79270, 110978, 118905, 166467, 237810, 277445, 332934, 388423, 554890, 776846, 832335, 1165269, 1664670, 1942115, 2330538, 2718961, 3884230, 5437922, 5826345, 8156883, 11652690, 13594805, 16313766, 27189610, 40784415, 81568830]

約数ペア:

[(1, 81568830), (2, 40784415), (3, 27189610), (5, 16313766), (6, 13594805), (7, 11652690), (10, 8156883), (14, 5826345), (15, 5437922), (21, 3884230), (30, 2718961), (35, 2330538), (42, 1942115), (49, 1664670), (70, 1165269), (98, 832335), (105, 776846), (147, 554890), (210, 388423), (245, 332934), (294, 277445), (343, 237810), (490, 166467), (686, 118905), (735, 110978), (1029, 79270), (1470, 55489), (1715, 47562), (2058, 39635), (3430, 23781), (5145, 15854), (7927, 10290)]