31194540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13359

約数の個数: 72

約数和(自身を含む): 101909808

約数和(自身を除く): 70715268

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, 2340, 13331, 26662, 39993, 53324, 66655, 79986, 119979, 133310, 159972, 173303, 199965, 239958, 266620, 346606, 399930, 479916, 519909, 599895, 693212, 799860, 866515, 1039818, 1199790, 1559727, 1733030, 2079636, 2399580, 2599545, 3119454, 3466060, 5199090, 6238908, 7798635, 10398180, 15597270, 31194540]

約数ペア:

[(1, 31194540), (2, 15597270), (3, 10398180), (4, 7798635), (5, 6238908), (6, 5199090), (9, 3466060), (10, 3119454), (12, 2599545), (13, 2399580), (15, 2079636), (18, 1733030), (20, 1559727), (26, 1199790), (30, 1039818), (36, 866515), (39, 799860), (45, 693212), (52, 599895), (60, 519909), (65, 479916), (78, 399930), (90, 346606), (117, 266620), (130, 239958), (156, 199965), (180, 173303), (195, 159972), (234, 133310), (260, 119979), (390, 79986), (468, 66655), (585, 53324), (780, 39993), (1170, 26662), (2340, 13331)]