66707620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1583}}^1$

素因数の和:1649

約数の個数: 72

約数和(自身を含む): 166852224

約数和(自身を除く): 100144604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 1583, 2107, 3010, 3166, 4214, 6020, 6332, 7915, 8428, 10535, 11081, 15830, 21070, 22162, 31660, 42140, 44324, 55405, 68069, 77567, 110810, 136138, 155134, 221620, 272276, 310268, 340345, 387835, 476483, 680690, 775670, 952966, 1361380, 1551340, 1905932, 2382415, 3335381, 4764830, 6670762, 9529660, 13341524, 16676905, 33353810, 66707620]

約数ペア:

[(1, 66707620), (2, 33353810), (4, 16676905), (5, 13341524), (7, 9529660), (10, 6670762), (14, 4764830), (20, 3335381), (28, 2382415), (35, 1905932), (43, 1551340), (49, 1361380), (70, 952966), (86, 775670), (98, 680690), (140, 476483), (172, 387835), (196, 340345), (215, 310268), (245, 272276), (301, 221620), (430, 155134), (490, 136138), (602, 110810), (860, 77567), (980, 68069), (1204, 55405), (1505, 44324), (1583, 42140), (2107, 31660), (3010, 22162), (3166, 21070), (4214, 15830), (6020, 11081), (6332, 10535), (7915, 8428)]