172866780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1427}}^1$

素因数の和:2115

約数の個数: 72

約数和(自身を含む): 525509712

約数和(自身を除く): 352642932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 673, 1346, 1427, 2019, 2692, 2854, 3365, 4038, 4281, 5708, 6057, 6730, 7135, 8076, 8562, 10095, 12114, 12843, 13460, 14270, 17124, 20190, 21405, 24228, 25686, 28540, 30285, 40380, 42810, 51372, 60570, 64215, 85620, 121140, 128430, 256860, 960371, 1920742, 2881113, 3841484, 4801855, 5762226, 8643339, 9603710, 11524452, 14405565, 17286678, 19207420, 28811130, 34573356, 43216695, 57622260, 86433390, 172866780]

約数ペア:

[(1, 172866780), (2, 86433390), (3, 57622260), (4, 43216695), (5, 34573356), (6, 28811130), (9, 19207420), (10, 17286678), (12, 14405565), (15, 11524452), (18, 9603710), (20, 8643339), (30, 5762226), (36, 4801855), (45, 3841484), (60, 2881113), (90, 1920742), (180, 960371), (673, 256860), (1346, 128430), (1427, 121140), (2019, 85620), (2692, 64215), (2854, 60570), (3365, 51372), (4038, 42810), (4281, 40380), (5708, 30285), (6057, 28540), (6730, 25686), (7135, 24228), (8076, 21405), (8562, 20190), (10095, 17124), (12114, 14270), (12843, 13460)]