72440325

素因数分解:

$3^4\times 5^2\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:536

約数の個数: 60

約数和(自身を含む): 136116288

約数和(自身を除く): 63675963

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 83, 135, 225, 249, 405, 415, 431, 675, 747, 1245, 1293, 2025, 2075, 2155, 2241, 3735, 3879, 6225, 6465, 6723, 10775, 11205, 11637, 18675, 19395, 32325, 33615, 34911, 35773, 56025, 58185, 96975, 107319, 168075, 174555, 178865, 290925, 321957, 536595, 872775, 894325, 965871, 1609785, 2682975, 2897613, 4829355, 8048925, 14488065, 24146775, 72440325]

約数ペア:

[(1, 72440325), (3, 24146775), (5, 14488065), (9, 8048925), (15, 4829355), (25, 2897613), (27, 2682975), (45, 1609785), (75, 965871), (81, 894325), (83, 872775), (135, 536595), (225, 321957), (249, 290925), (405, 178865), (415, 174555), (431, 168075), (675, 107319), (747, 96975), (1245, 58185), (1293, 56025), (2025, 35773), (2075, 34911), (2155, 33615), (2241, 32325), (3735, 19395), (3879, 18675), (6225, 11637), (6465, 11205), (6723, 10775)]