340458560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:620

約数の個数: 112

約数和(自身を含む): 879384576

約数和(自身を除く): 538926016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 223, 260, 320, 367, 416, 446, 520, 734, 832, 892, 1040, 1115, 1468, 1784, 1835, 2080, 2230, 2899, 2936, 3568, 3670, 4160, 4460, 4771, 5798, 5872, 7136, 7340, 8920, 9542, 11596, 11744, 14272, 14495, 14680, 17840, 19084, 23192, 23488, 23855, 28990, 29360, 35680, 38168, 46384, 47710, 57980, 58720, 71360, 76336, 81841, 92768, 95420, 115960, 117440, 152672, 163682, 185536, 190840, 231920, 305344, 327364, 381680, 409205, 463840, 654728, 763360, 818410, 927680, 1063933, 1309456, 1526720, 1636820, 2127866, 2618912, 3273640, 4255732, 5237824, 5319665, 6547280, 8511464, 10639330, 13094560, 17022928, 21278660, 26189120, 34045856, 42557320, 68091712, 85114640, 170229280, 340458560]

約数ペア:

[(1, 340458560), (2, 170229280), (4, 85114640), (5, 68091712), (8, 42557320), (10, 34045856), (13, 26189120), (16, 21278660), (20, 17022928), (26, 13094560), (32, 10639330), (40, 8511464), (52, 6547280), (64, 5319665), (65, 5237824), (80, 4255732), (104, 3273640), (130, 2618912), (160, 2127866), (208, 1636820), (223, 1526720), (260, 1309456), (320, 1063933), (367, 927680), (416, 818410), (446, 763360), (520, 654728), (734, 463840), (832, 409205), (892, 381680), (1040, 327364), (1115, 305344), (1468, 231920), (1784, 190840), (1835, 185536), (2080, 163682), (2230, 152672), (2899, 117440), (2936, 115960), (3568, 95420), (3670, 92768), (4160, 81841), (4460, 76336), (4771, 71360), (5798, 58720), (5872, 57980), (7136, 47710), (7340, 46384), (8920, 38168), (9542, 35680), (11596, 29360), (11744, 28990), (14272, 23855), (14495, 23488), (14680, 23192), (17840, 19084)]