31289720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10159}}^1$

素因数の和:10188

約数の個数: 64

約数和(自身を含む): 87782400

約数和(自身を除く): 56492680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 10159, 20318, 40636, 50795, 71113, 81272, 101590, 111749, 142226, 203180, 223498, 284452, 355565, 406360, 446996, 558745, 568904, 711130, 782243, 893992, 1117490, 1422260, 1564486, 2234980, 2844520, 3128972, 3911215, 4469960, 6257944, 7822430, 15644860, 31289720]

約数ペア:

[(1, 31289720), (2, 15644860), (4, 7822430), (5, 6257944), (7, 4469960), (8, 3911215), (10, 3128972), (11, 2844520), (14, 2234980), (20, 1564486), (22, 1422260), (28, 1117490), (35, 893992), (40, 782243), (44, 711130), (55, 568904), (56, 558745), (70, 446996), (77, 406360), (88, 355565), (110, 284452), (140, 223498), (154, 203180), (220, 142226), (280, 111749), (308, 101590), (385, 81272), (440, 71113), (616, 50795), (770, 40636), (1540, 20318), (3080, 10159)]