72080440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 168428160

約数和(自身を除く): 96347720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 113, 148, 185, 226, 296, 370, 431, 452, 565, 740, 862, 904, 1130, 1480, 1724, 2155, 2260, 3448, 4181, 4310, 4520, 8362, 8620, 15947, 16724, 17240, 20905, 31894, 33448, 41810, 48703, 63788, 79735, 83620, 97406, 127576, 159470, 167240, 194812, 243515, 318940, 389624, 487030, 637880, 974060, 1802011, 1948120, 3604022, 7208044, 9010055, 14416088, 18020110, 36040220, 72080440]

約数ペア:

[(1, 72080440), (2, 36040220), (4, 18020110), (5, 14416088), (8, 9010055), (10, 7208044), (20, 3604022), (37, 1948120), (40, 1802011), (74, 974060), (113, 637880), (148, 487030), (185, 389624), (226, 318940), (296, 243515), (370, 194812), (431, 167240), (452, 159470), (565, 127576), (740, 97406), (862, 83620), (904, 79735), (1130, 63788), (1480, 48703), (1724, 41810), (2155, 33448), (2260, 31894), (3448, 20905), (4181, 17240), (4310, 16724), (4520, 15947), (8362, 8620)]