72424240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5623}}^1$

素因数の和:5666

約数の個数: 80

約数和(自身を含む): 200844288

約数和(自身を除く): 128420048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5623, 6440, 11246, 12880, 22492, 28115, 39361, 44984, 56230, 78722, 89968, 112460, 129329, 157444, 196805, 224920, 258658, 314888, 393610, 449840, 517316, 629776, 646645, 787220, 905303, 1034632, 1293290, 1574440, 1810606, 2069264, 2586580, 3148880, 3621212, 4526515, 5173160, 7242424, 9053030, 10346320, 14484848, 18106060, 36212120, 72424240]

約数ペア:

[(1, 72424240), (2, 36212120), (4, 18106060), (5, 14484848), (7, 10346320), (8, 9053030), (10, 7242424), (14, 5173160), (16, 4526515), (20, 3621212), (23, 3148880), (28, 2586580), (35, 2069264), (40, 1810606), (46, 1574440), (56, 1293290), (70, 1034632), (80, 905303), (92, 787220), (112, 646645), (115, 629776), (140, 517316), (161, 449840), (184, 393610), (230, 314888), (280, 258658), (322, 224920), (368, 196805), (460, 157444), (560, 129329), (644, 112460), (805, 89968), (920, 78722), (1288, 56230), (1610, 44984), (1840, 39361), (2576, 28115), (3220, 22492), (5623, 12880), (6440, 11246)]