1815408540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2357}}^1$

素因数の和:2772

約数の個数: 144

約数和(自身を含む): 6025350240

約数和(自身を除く): 4209941700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 389, 396, 495, 660, 778, 990, 1167, 1556, 1945, 1980, 2334, 2357, 3501, 3890, 4279, 4668, 4714, 5835, 7002, 7071, 7780, 8558, 9428, 11670, 11785, 12837, 14004, 14142, 17116, 17505, 21213, 21395, 23340, 23570, 25674, 25927, 28284, 35010, 35355, 38511, 42426, 42790, 47140, 51348, 51854, 64185, 70020, 70710, 77022, 77781, 84852, 85580, 103708, 106065, 128370, 129635, 141420, 154044, 155562, 192555, 212130, 233343, 256740, 259270, 311124, 385110, 388905, 424260, 466686, 518540, 770220, 777810, 916873, 933372, 1166715, 1555620, 1833746, 2333430, 2750619, 3667492, 4584365, 4666860, 5501238, 8251857, 9168730, 10085603, 11002476, 13753095, 16503714, 18337460, 20171206, 27506190, 30256809, 33007428, 40342412, 41259285, 50428015, 55012380, 60513618, 82518570, 90770427, 100856030, 121027236, 151284045, 165037140, 181540854, 201712060, 302568090, 363081708, 453852135, 605136180, 907704270, 1815408540]

約数ペア:

[(1, 1815408540), (2, 907704270), (3, 605136180), (4, 453852135), (5, 363081708), (6, 302568090), (9, 201712060), (10, 181540854), (11, 165037140), (12, 151284045), (15, 121027236), (18, 100856030), (20, 90770427), (22, 82518570), (30, 60513618), (33, 55012380), (36, 50428015), (44, 41259285), (45, 40342412), (55, 33007428), (60, 30256809), (66, 27506190), (90, 20171206), (99, 18337460), (110, 16503714), (132, 13753095), (165, 11002476), (180, 10085603), (198, 9168730), (220, 8251857), (330, 5501238), (389, 4666860), (396, 4584365), (495, 3667492), (660, 2750619), (778, 2333430), (990, 1833746), (1167, 1555620), (1556, 1166715), (1945, 933372), (1980, 916873), (2334, 777810), (2357, 770220), (3501, 518540), (3890, 466686), (4279, 424260), (4668, 388905), (4714, 385110), (5835, 311124), (7002, 259270), (7071, 256740), (7780, 233343), (8558, 212130), (9428, 192555), (11670, 155562), (11785, 154044), (12837, 141420), (14004, 129635), (14142, 128370), (17116, 106065), (17505, 103708), (21213, 85580), (21395, 84852), (23340, 77781), (23570, 77022), (25674, 70710), (25927, 70020), (28284, 64185), (35010, 51854), (35355, 51348), (38511, 47140), (42426, 42790)]