72881480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11317}}^1$

素因数の和:11358

約数の個数: 64

約数和(自身を含む): 195575040

約数和(自身を除く): 122693560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 11317, 22634, 45268, 56585, 79219, 90536, 113170, 158438, 226340, 260291, 316876, 396095, 452680, 520582, 633752, 792190, 1041164, 1301455, 1584380, 1822037, 2082328, 2602910, 3168760, 3644074, 5205820, 7288148, 9110185, 10411640, 14576296, 18220370, 36440740, 72881480]

約数ペア:

[(1, 72881480), (2, 36440740), (4, 18220370), (5, 14576296), (7, 10411640), (8, 9110185), (10, 7288148), (14, 5205820), (20, 3644074), (23, 3168760), (28, 2602910), (35, 2082328), (40, 1822037), (46, 1584380), (56, 1301455), (70, 1041164), (92, 792190), (115, 633752), (140, 520582), (161, 452680), (184, 396095), (230, 316876), (280, 260291), (322, 226340), (460, 158438), (644, 113170), (805, 90536), (920, 79219), (1288, 56585), (1610, 45268), (3220, 22634), (6440, 11317)]