208738620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{479}}^1$

素因数の和:769

約数の個数: 120

約数和(自身を含む): 658627200

約数和(自身を除く): 449888580

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, 269, 270, 324, 405, 479, 538, 540, 807, 810, 958, 1076, 1345, 1437, 1614, 1620, 1916, 2395, 2421, 2690, 2874, 3228, 4035, 4311, 4790, 4842, 5380, 5748, 7185, 7263, 8070, 8622, 9580, 9684, 12105, 12933, 14370, 14526, 16140, 17244, 21555, 21789, 24210, 25866, 28740, 29052, 36315, 38799, 43110, 43578, 48420, 51732, 64665, 72630, 77598, 86220, 87156, 108945, 128851, 129330, 145260, 155196, 193995, 217890, 257702, 258660, 386553, 387990, 435780, 515404, 644255, 773106, 775980, 1159659, 1288510, 1546212, 1932765, 2319318, 2577020, 3478977, 3865530, 4638636, 5798295, 6957954, 7731060, 10436931, 11596590, 13915908, 17394885, 20873862, 23193180, 34789770, 41747724, 52184655, 69579540, 104369310, 208738620]

約数ペア:

[(1, 208738620), (2, 104369310), (3, 69579540), (4, 52184655), (5, 41747724), (6, 34789770), (9, 23193180), (10, 20873862), (12, 17394885), (15, 13915908), (18, 11596590), (20, 10436931), (27, 7731060), (30, 6957954), (36, 5798295), (45, 4638636), (54, 3865530), (60, 3478977), (81, 2577020), (90, 2319318), (108, 1932765), (135, 1546212), (162, 1288510), (180, 1159659), (269, 775980), (270, 773106), (324, 644255), (405, 515404), (479, 435780), (538, 387990), (540, 386553), (807, 258660), (810, 257702), (958, 217890), (1076, 193995), (1345, 155196), (1437, 145260), (1614, 129330), (1620, 128851), (1916, 108945), (2395, 87156), (2421, 86220), (2690, 77598), (2874, 72630), (3228, 64665), (4035, 51732), (4311, 48420), (4790, 43578), (4842, 43110), (5380, 38799), (5748, 36315), (7185, 29052), (7263, 28740), (8070, 25866), (8622, 24210), (9580, 21789), (9684, 21555), (12105, 17244), (12933, 16140), (14370, 14526)]