179987240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:4002

約数の個数: 64

約数和(自身を含む): 429442560

約数和(自身を除く): 249455320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 37, 40, 62, 74, 124, 148, 155, 185, 248, 296, 310, 370, 620, 740, 1147, 1240, 1480, 2294, 3923, 4588, 5735, 7846, 9176, 11470, 15692, 19615, 22940, 31384, 39230, 45880, 78460, 121613, 145151, 156920, 243226, 290302, 486452, 580604, 608065, 725755, 972904, 1161208, 1216130, 1451510, 2432260, 2903020, 4499681, 4864520, 5806040, 8999362, 17998724, 22498405, 35997448, 44996810, 89993620, 179987240]

約数ペア:

[(1, 179987240), (2, 89993620), (4, 44996810), (5, 35997448), (8, 22498405), (10, 17998724), (20, 8999362), (31, 5806040), (37, 4864520), (40, 4499681), (62, 2903020), (74, 2432260), (124, 1451510), (148, 1216130), (155, 1161208), (185, 972904), (248, 725755), (296, 608065), (310, 580604), (370, 486452), (620, 290302), (740, 243226), (1147, 156920), (1240, 145151), (1480, 121613), (2294, 78460), (3923, 45880), (4588, 39230), (5735, 31384), (7846, 22940), (9176, 19615), (11470, 15692)]