81429320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17107}}^1$

素因数の和:17142

約数の個数: 64

約数和(自身を含む): 221719680

約数和(自身を除く): 140290360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4760, 17107, 34214, 68428, 85535, 119749, 136856, 171070, 239498, 290819, 342140, 478996, 581638, 598745, 684280, 957992, 1163276, 1197490, 1454095, 2035733, 2326552, 2394980, 2908190, 4071466, 4789960, 5816380, 8142932, 10178665, 11632760, 16285864, 20357330, 40714660, 81429320]

約数ペア:

[(1, 81429320), (2, 40714660), (4, 20357330), (5, 16285864), (7, 11632760), (8, 10178665), (10, 8142932), (14, 5816380), (17, 4789960), (20, 4071466), (28, 2908190), (34, 2394980), (35, 2326552), (40, 2035733), (56, 1454095), (68, 1197490), (70, 1163276), (85, 957992), (119, 684280), (136, 598745), (140, 581638), (170, 478996), (238, 342140), (280, 290819), (340, 239498), (476, 171070), (595, 136856), (680, 119749), (952, 85535), (1190, 68428), (2380, 34214), (4760, 17107)]