80220708

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:577

約数の個数: 72

約数和(自身を含む): 208906880

約数和(自身を除く): 128686172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 79, 134, 158, 201, 237, 268, 316, 402, 421, 474, 603, 711, 804, 842, 948, 1206, 1263, 1422, 1684, 2412, 2526, 2844, 3789, 5052, 5293, 7578, 10586, 15156, 15879, 21172, 28207, 31758, 33259, 47637, 56414, 63516, 66518, 84621, 95274, 99777, 112828, 133036, 169242, 190548, 199554, 253863, 299331, 338484, 399108, 507726, 598662, 1015452, 1197324, 2228353, 4456706, 6685059, 8913412, 13370118, 20055177, 26740236, 40110354, 80220708]

約数ペア:

[(1, 80220708), (2, 40110354), (3, 26740236), (4, 20055177), (6, 13370118), (9, 8913412), (12, 6685059), (18, 4456706), (36, 2228353), (67, 1197324), (79, 1015452), (134, 598662), (158, 507726), (201, 399108), (237, 338484), (268, 299331), (316, 253863), (402, 199554), (421, 190548), (474, 169242), (603, 133036), (711, 112828), (804, 99777), (842, 95274), (948, 84621), (1206, 66518), (1263, 63516), (1422, 56414), (1684, 47637), (2412, 33259), (2526, 31758), (2844, 28207), (3789, 21172), (5052, 15879), (5293, 15156), (7578, 10586)]