61071920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8389}}^1$

素因数の和:8422

約数の個数: 80

約数和(自身を含む): 174780480

約数和(自身を除く): 113708560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 8389, 16778, 33556, 41945, 58723, 67112, 83890, 109057, 117446, 134224, 167780, 218114, 234892, 293615, 335560, 436228, 469784, 545285, 587230, 671120, 763399, 872456, 939568, 1090570, 1174460, 1526798, 1744912, 2181140, 2348920, 3053596, 3816995, 4362280, 4697840, 6107192, 7633990, 8724560, 12214384, 15267980, 30535960, 61071920]

約数ペア:

[(1, 61071920), (2, 30535960), (4, 15267980), (5, 12214384), (7, 8724560), (8, 7633990), (10, 6107192), (13, 4697840), (14, 4362280), (16, 3816995), (20, 3053596), (26, 2348920), (28, 2181140), (35, 1744912), (40, 1526798), (52, 1174460), (56, 1090570), (65, 939568), (70, 872456), (80, 763399), (91, 671120), (104, 587230), (112, 545285), (130, 469784), (140, 436228), (182, 335560), (208, 293615), (260, 234892), (280, 218114), (364, 167780), (455, 134224), (520, 117446), (560, 109057), (728, 83890), (910, 67112), (1040, 58723), (1456, 41945), (1820, 33556), (3640, 16778), (7280, 8389)]