131997520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1367}}^1$

素因数の和:1468

約数の個数: 80

約数和(自身を含む): 329764608

約数和(自身を除く): 197767088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 710, 1136, 1207, 1360, 1367, 1420, 2414, 2734, 2840, 4828, 5468, 5680, 6035, 6835, 9656, 10936, 12070, 13670, 19312, 21872, 23239, 24140, 27340, 46478, 48280, 54680, 92956, 96560, 97057, 109360, 116195, 185912, 194114, 232390, 371824, 388228, 464780, 485285, 776456, 929560, 970570, 1552912, 1649969, 1859120, 1941140, 3299938, 3882280, 6599876, 7764560, 8249845, 13199752, 16499690, 26399504, 32999380, 65998760, 131997520]

約数ペア:

[(1, 131997520), (2, 65998760), (4, 32999380), (5, 26399504), (8, 16499690), (10, 13199752), (16, 8249845), (17, 7764560), (20, 6599876), (34, 3882280), (40, 3299938), (68, 1941140), (71, 1859120), (80, 1649969), (85, 1552912), (136, 970570), (142, 929560), (170, 776456), (272, 485285), (284, 464780), (340, 388228), (355, 371824), (568, 232390), (680, 194114), (710, 185912), (1136, 116195), (1207, 109360), (1360, 97057), (1367, 96560), (1420, 92956), (2414, 54680), (2734, 48280), (2840, 46478), (4828, 27340), (5468, 24140), (5680, 23239), (6035, 21872), (6835, 19312), (9656, 13670), (10936, 12070)]