78479440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1279}}^1$

素因数の和:1364

約数の個数: 80

約数和(自身を含む): 199987200

約数和(自身を除く): 121507760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1279, 1534, 2360, 2558, 3068, 3835, 4720, 5116, 6136, 6395, 7670, 10232, 12272, 12790, 15340, 16627, 20464, 25580, 30680, 33254, 51160, 61360, 66508, 75461, 83135, 102320, 133016, 150922, 166270, 266032, 301844, 332540, 377305, 603688, 665080, 754610, 980993, 1207376, 1330160, 1509220, 1961986, 3018440, 3923972, 4904965, 6036880, 7847944, 9809930, 15695888, 19619860, 39239720, 78479440]

約数ペア:

[(1, 78479440), (2, 39239720), (4, 19619860), (5, 15695888), (8, 9809930), (10, 7847944), (13, 6036880), (16, 4904965), (20, 3923972), (26, 3018440), (40, 1961986), (52, 1509220), (59, 1330160), (65, 1207376), (80, 980993), (104, 754610), (118, 665080), (130, 603688), (208, 377305), (236, 332540), (260, 301844), (295, 266032), (472, 166270), (520, 150922), (590, 133016), (767, 102320), (944, 83135), (1040, 75461), (1180, 66508), (1279, 61360), (1534, 51160), (2360, 33254), (2558, 30680), (3068, 25580), (3835, 20464), (4720, 16627), (5116, 15340), (6136, 12790), (6395, 12272), (7670, 10232)]