172227420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2131}}^1$

素因数の和:2595

約数の個数: 72

約数和(自身を含む): 523832400

約数和(自身を除く): 351604980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 898, 1347, 1796, 2131, 2245, 2694, 4041, 4262, 4490, 5388, 6393, 6735, 8082, 8524, 8980, 10655, 12786, 13470, 16164, 19179, 20205, 21310, 25572, 26940, 31965, 38358, 40410, 42620, 63930, 76716, 80820, 95895, 127860, 191790, 383580, 956819, 1913638, 2870457, 3827276, 4784095, 5740914, 8611371, 9568190, 11481828, 14352285, 17222742, 19136380, 28704570, 34445484, 43056855, 57409140, 86113710, 172227420]

約数ペア:

[(1, 172227420), (2, 86113710), (3, 57409140), (4, 43056855), (5, 34445484), (6, 28704570), (9, 19136380), (10, 17222742), (12, 14352285), (15, 11481828), (18, 9568190), (20, 8611371), (30, 5740914), (36, 4784095), (45, 3827276), (60, 2870457), (90, 1913638), (180, 956819), (449, 383580), (898, 191790), (1347, 127860), (1796, 95895), (2131, 80820), (2245, 76716), (2694, 63930), (4041, 42620), (4262, 40410), (4490, 38358), (5388, 31965), (6393, 26940), (6735, 25572), (8082, 21310), (8524, 20205), (8980, 19179), (10655, 16164), (12786, 13470)]