87878070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19927}}^1$

素因数の和:19954

約数の個数: 72

約数和(自身を含む): 265799664

約数和(自身を除く): 177921594

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 19927, 39854, 59781, 99635, 119562, 139489, 179343, 199270, 278978, 298905, 358686, 418467, 597810, 697445, 836934, 896715, 976423, 1255401, 1394890, 1793430, 1952846, 2092335, 2510802, 2929269, 4184670, 4882115, 5858538, 6277005, 8787807, 9764230, 12554010, 14646345, 17575614, 29292690, 43939035, 87878070]

約数ペア:

[(1, 87878070), (2, 43939035), (3, 29292690), (5, 17575614), (6, 14646345), (7, 12554010), (9, 9764230), (10, 8787807), (14, 6277005), (15, 5858538), (18, 4882115), (21, 4184670), (30, 2929269), (35, 2510802), (42, 2092335), (45, 1952846), (49, 1793430), (63, 1394890), (70, 1255401), (90, 976423), (98, 896715), (105, 836934), (126, 697445), (147, 597810), (210, 418467), (245, 358686), (294, 298905), (315, 278978), (441, 199270), (490, 179343), (630, 139489), (735, 119562), (882, 99635), (1470, 59781), (2205, 39854), (4410, 19927)]