71328780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1777}}^1$

素因数の和:2015

約数の個数: 72

約数和(自身を含む): 217456512

約数和(自身を除く): 146127732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 1777, 2007, 2230, 2676, 3345, 3554, 4014, 4460, 5331, 6690, 7108, 8028, 8885, 10035, 10662, 13380, 15993, 17770, 20070, 21324, 26655, 31986, 35540, 40140, 53310, 63972, 79965, 106620, 159930, 319860, 396271, 792542, 1188813, 1585084, 1981355, 2377626, 3566439, 3962710, 4755252, 5944065, 7132878, 7925420, 11888130, 14265756, 17832195, 23776260, 35664390, 71328780]

約数ペア:

[(1, 71328780), (2, 35664390), (3, 23776260), (4, 17832195), (5, 14265756), (6, 11888130), (9, 7925420), (10, 7132878), (12, 5944065), (15, 4755252), (18, 3962710), (20, 3566439), (30, 2377626), (36, 1981355), (45, 1585084), (60, 1188813), (90, 792542), (180, 396271), (223, 319860), (446, 159930), (669, 106620), (892, 79965), (1115, 63972), (1338, 53310), (1777, 40140), (2007, 35540), (2230, 31986), (2676, 26655), (3345, 21324), (3554, 20070), (4014, 17770), (4460, 15993), (5331, 13380), (6690, 10662), (7108, 10035), (8028, 8885)]