281999070

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{383}}^1$

素因数の和:509

約数の個数: 112

約数和(自身を含む): 770591232

約数和(自身を除く): 488592162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 101, 135, 162, 202, 243, 270, 303, 383, 405, 486, 505, 606, 729, 766, 810, 909, 1010, 1149, 1215, 1458, 1515, 1818, 1915, 2298, 2430, 2727, 3030, 3447, 3645, 3830, 4545, 5454, 5745, 6894, 7290, 8181, 9090, 10341, 11490, 13635, 16362, 17235, 20682, 24543, 27270, 31023, 34470, 38683, 40905, 49086, 51705, 62046, 73629, 77366, 81810, 93069, 103410, 116049, 122715, 147258, 155115, 186138, 193415, 232098, 245430, 279207, 310230, 348147, 368145, 386830, 465345, 558414, 580245, 696294, 736290, 930690, 1044441, 1160490, 1396035, 1740735, 2088882, 2792070, 3133323, 3481470, 5222205, 6266646, 9399969, 10444410, 15666615, 18799938, 28199907, 31333230, 46999845, 56399814, 93999690, 140999535, 281999070]

約数ペア:

[(1, 281999070), (2, 140999535), (3, 93999690), (5, 56399814), (6, 46999845), (9, 31333230), (10, 28199907), (15, 18799938), (18, 15666615), (27, 10444410), (30, 9399969), (45, 6266646), (54, 5222205), (81, 3481470), (90, 3133323), (101, 2792070), (135, 2088882), (162, 1740735), (202, 1396035), (243, 1160490), (270, 1044441), (303, 930690), (383, 736290), (405, 696294), (486, 580245), (505, 558414), (606, 465345), (729, 386830), (766, 368145), (810, 348147), (909, 310230), (1010, 279207), (1149, 245430), (1215, 232098), (1458, 193415), (1515, 186138), (1818, 155115), (1915, 147258), (2298, 122715), (2430, 116049), (2727, 103410), (3030, 93069), (3447, 81810), (3645, 77366), (3830, 73629), (4545, 62046), (5454, 51705), (5745, 49086), (6894, 40905), (7290, 38683), (8181, 34470), (9090, 31023), (10341, 27270), (11490, 24543), (13635, 20682), (16362, 17235)]