2988180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1277}}^1$

素因数の和:1305

約数の個数: 72

約数和(自身を含む): 9769032

約数和(自身を除く): 6780852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 1277, 2340, 2554, 3831, 5108, 6385, 7662, 11493, 12770, 15324, 16601, 19155, 22986, 25540, 33202, 38310, 45972, 49803, 57465, 66404, 76620, 83005, 99606, 114930, 149409, 166010, 199212, 229860, 249015, 298818, 332020, 498030, 597636, 747045, 996060, 1494090, 2988180]

約数ペア:

[(1, 2988180), (2, 1494090), (3, 996060), (4, 747045), (5, 597636), (6, 498030), (9, 332020), (10, 298818), (12, 249015), (13, 229860), (15, 199212), (18, 166010), (20, 149409), (26, 114930), (30, 99606), (36, 83005), (39, 76620), (45, 66404), (52, 57465), (60, 49803), (65, 45972), (78, 38310), (90, 33202), (117, 25540), (130, 22986), (156, 19155), (180, 16601), (195, 15324), (234, 12770), (260, 11493), (390, 7662), (468, 6385), (585, 5108), (780, 3831), (1170, 2554), (1277, 2340)]