321778980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:975

約数の個数: 120

約数和(自身を含む): 1014285888

約数和(自身を除く): 692506908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 307, 324, 405, 540, 614, 647, 810, 921, 1228, 1294, 1535, 1620, 1842, 1941, 2588, 2763, 3070, 3235, 3684, 3882, 4605, 5526, 5823, 6140, 6470, 7764, 8289, 9210, 9705, 11052, 11646, 12940, 13815, 16578, 17469, 18420, 19410, 23292, 24867, 27630, 29115, 33156, 34938, 38820, 41445, 49734, 52407, 55260, 58230, 69876, 82890, 87345, 99468, 104814, 116460, 124335, 165780, 174690, 198629, 209628, 248670, 262035, 349380, 397258, 497340, 524070, 595887, 794516, 993145, 1048140, 1191774, 1787661, 1986290, 2383548, 2979435, 3575322, 3972580, 5362983, 5958870, 7150644, 8938305, 10725966, 11917740, 16088949, 17876610, 21451932, 26814915, 32177898, 35753220, 53629830, 64355796, 80444745, 107259660, 160889490, 321778980]

約数ペア:

[(1, 321778980), (2, 160889490), (3, 107259660), (4, 80444745), (5, 64355796), (6, 53629830), (9, 35753220), (10, 32177898), (12, 26814915), (15, 21451932), (18, 17876610), (20, 16088949), (27, 11917740), (30, 10725966), (36, 8938305), (45, 7150644), (54, 5958870), (60, 5362983), (81, 3972580), (90, 3575322), (108, 2979435), (135, 2383548), (162, 1986290), (180, 1787661), (270, 1191774), (307, 1048140), (324, 993145), (405, 794516), (540, 595887), (614, 524070), (647, 497340), (810, 397258), (921, 349380), (1228, 262035), (1294, 248670), (1535, 209628), (1620, 198629), (1842, 174690), (1941, 165780), (2588, 124335), (2763, 116460), (3070, 104814), (3235, 99468), (3684, 87345), (3882, 82890), (4605, 69876), (5526, 58230), (5823, 55260), (6140, 52407), (6470, 49734), (7764, 41445), (8289, 38820), (9210, 34938), (9705, 33156), (11052, 29115), (11646, 27630), (12940, 24867), (13815, 23292), (16578, 19410), (17469, 18420)]