221241420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1279}}^1$

素因数の和:1356

約数の個数: 108

約数和(自身を含む): 693987840

約数和(自身を除く): 472746420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 961, 1116, 1279, 1395, 1860, 1922, 2558, 2790, 2883, 3837, 3844, 4805, 5116, 5580, 5766, 6395, 7674, 8649, 9610, 11511, 11532, 12790, 14415, 15348, 17298, 19185, 19220, 23022, 25580, 28830, 34596, 38370, 39649, 43245, 46044, 57555, 57660, 76740, 79298, 86490, 115110, 118947, 158596, 172980, 198245, 230220, 237894, 356841, 396490, 475788, 594735, 713682, 792980, 1189470, 1229119, 1427364, 1784205, 2378940, 2458238, 3568410, 3687357, 4916476, 6145595, 7136820, 7374714, 11062071, 12291190, 14749428, 18436785, 22124142, 24582380, 36873570, 44248284, 55310355, 73747140, 110620710, 221241420]

約数ペア:

[(1, 221241420), (2, 110620710), (3, 73747140), (4, 55310355), (5, 44248284), (6, 36873570), (9, 24582380), (10, 22124142), (12, 18436785), (15, 14749428), (18, 12291190), (20, 11062071), (30, 7374714), (31, 7136820), (36, 6145595), (45, 4916476), (60, 3687357), (62, 3568410), (90, 2458238), (93, 2378940), (124, 1784205), (155, 1427364), (180, 1229119), (186, 1189470), (279, 792980), (310, 713682), (372, 594735), (465, 475788), (558, 396490), (620, 356841), (930, 237894), (961, 230220), (1116, 198245), (1279, 172980), (1395, 158596), (1860, 118947), (1922, 115110), (2558, 86490), (2790, 79298), (2883, 76740), (3837, 57660), (3844, 57555), (4805, 46044), (5116, 43245), (5580, 39649), (5766, 38370), (6395, 34596), (7674, 28830), (8649, 25580), (9610, 23022), (11511, 19220), (11532, 19185), (12790, 17298), (14415, 15348)]