72131980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2287}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 89309300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 83, 95, 166, 190, 332, 380, 415, 830, 1577, 1660, 2287, 3154, 4574, 6308, 7885, 9148, 11435, 15770, 22870, 31540, 43453, 45740, 86906, 173812, 189821, 217265, 379642, 434530, 759284, 869060, 949105, 1898210, 3606599, 3796420, 7213198, 14426396, 18032995, 36065990, 72131980]

約数ペア:

[(1, 72131980), (2, 36065990), (4, 18032995), (5, 14426396), (10, 7213198), (19, 3796420), (20, 3606599), (38, 1898210), (76, 949105), (83, 869060), (95, 759284), (166, 434530), (190, 379642), (332, 217265), (380, 189821), (415, 173812), (830, 86906), (1577, 45740), (1660, 43453), (2287, 31540), (3154, 22870), (4574, 15770), (6308, 11435), (7885, 9148)]