171578340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3709}}^1$

素因数の和:3981

約数の個数: 72

約数和(自身を含む): 522620280

約数和(自身を除く): 351041940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 3084, 3709, 3855, 4626, 5140, 7418, 7710, 9252, 11127, 11565, 14836, 15420, 18545, 22254, 23130, 33381, 37090, 44508, 46260, 55635, 66762, 74180, 111270, 133524, 166905, 222540, 333810, 667620, 953213, 1906426, 2859639, 3812852, 4766065, 5719278, 8578917, 9532130, 11438556, 14298195, 17157834, 19064260, 28596390, 34315668, 42894585, 57192780, 85789170, 171578340]

約数ペア:

[(1, 171578340), (2, 85789170), (3, 57192780), (4, 42894585), (5, 34315668), (6, 28596390), (9, 19064260), (10, 17157834), (12, 14298195), (15, 11438556), (18, 9532130), (20, 8578917), (30, 5719278), (36, 4766065), (45, 3812852), (60, 2859639), (90, 1906426), (180, 953213), (257, 667620), (514, 333810), (771, 222540), (1028, 166905), (1285, 133524), (1542, 111270), (2313, 74180), (2570, 66762), (3084, 55635), (3709, 46260), (3855, 44508), (4626, 37090), (5140, 33381), (7418, 23130), (7710, 22254), (9252, 18545), (11127, 15420), (11565, 14836)]