28683990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54260010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 31, 45, 46, 54, 62, 69, 90, 93, 115, 135, 138, 149, 155, 186, 207, 230, 270, 279, 298, 310, 345, 414, 447, 465, 558, 621, 690, 713, 745, 837, 894, 930, 1035, 1242, 1341, 1395, 1426, 1490, 1674, 2070, 2139, 2235, 2682, 2790, 3105, 3427, 3565, 4023, 4185, 4278, 4470, 4619, 6210, 6417, 6705, 6854, 7130, 8046, 8370, 9238, 10281, 10695, 12834, 13410, 13857, 17135, 19251, 20115, 20562, 21390, 23095, 27714, 30843, 32085, 34270, 38502, 40230, 41571, 46190, 51405, 61686, 64170, 69285, 83142, 92529, 96255, 102810, 106237, 124713, 138570, 154215, 185058, 192510, 207855, 212474, 249426, 308430, 318711, 415710, 462645, 531185, 623565, 637422, 925290, 956133, 1062370, 1247130, 1593555, 1912266, 2868399, 3187110, 4780665, 5736798, 9561330, 14341995, 28683990]

約数ペア:

[(1, 28683990), (2, 14341995), (3, 9561330), (5, 5736798), (6, 4780665), (9, 3187110), (10, 2868399), (15, 1912266), (18, 1593555), (23, 1247130), (27, 1062370), (30, 956133), (31, 925290), (45, 637422), (46, 623565), (54, 531185), (62, 462645), (69, 415710), (90, 318711), (93, 308430), (115, 249426), (135, 212474), (138, 207855), (149, 192510), (155, 185058), (186, 154215), (207, 138570), (230, 124713), (270, 106237), (279, 102810), (298, 96255), (310, 92529), (345, 83142), (414, 69285), (447, 64170), (465, 61686), (558, 51405), (621, 46190), (690, 41571), (713, 40230), (745, 38502), (837, 34270), (894, 32085), (930, 30843), (1035, 27714), (1242, 23095), (1341, 21390), (1395, 20562), (1426, 20115), (1490, 19251), (1674, 17135), (2070, 13857), (2139, 13410), (2235, 12834), (2682, 10695), (2790, 10281), (3105, 9238), (3427, 8370), (3565, 8046), (4023, 7130), (4185, 6854), (4278, 6705), (4470, 6417), (4619, 6210)]