81410280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5701}}^1$

素因数の和:5739

約数の個数: 128

約数和(自身を含む): 295591680

約数和(自身を除く): 214181400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2380, 2856, 3570, 4760, 5701, 7140, 11402, 14280, 17103, 22804, 28505, 34206, 39907, 45608, 57010, 68412, 79814, 85515, 96917, 114020, 119721, 136824, 159628, 171030, 193834, 199535, 228040, 239442, 290751, 319256, 342060, 387668, 399070, 478884, 484585, 581502, 598605, 678419, 684120, 775336, 798140, 957768, 969170, 1163004, 1197210, 1356838, 1453755, 1596280, 1938340, 2035257, 2326008, 2394420, 2713676, 2907510, 3392095, 3876680, 4070514, 4788840, 5427352, 5815020, 6784190, 8141028, 10176285, 11630040, 13568380, 16282056, 20352570, 27136760, 40705140, 81410280]

約数ペア:

[(1, 81410280), (2, 40705140), (3, 27136760), (4, 20352570), (5, 16282056), (6, 13568380), (7, 11630040), (8, 10176285), (10, 8141028), (12, 6784190), (14, 5815020), (15, 5427352), (17, 4788840), (20, 4070514), (21, 3876680), (24, 3392095), (28, 2907510), (30, 2713676), (34, 2394420), (35, 2326008), (40, 2035257), (42, 1938340), (51, 1596280), (56, 1453755), (60, 1356838), (68, 1197210), (70, 1163004), (84, 969170), (85, 957768), (102, 798140), (105, 775336), (119, 684120), (120, 678419), (136, 598605), (140, 581502), (168, 484585), (170, 478884), (204, 399070), (210, 387668), (238, 342060), (255, 319256), (280, 290751), (340, 239442), (357, 228040), (408, 199535), (420, 193834), (476, 171030), (510, 159628), (595, 136824), (680, 119721), (714, 114020), (840, 96917), (952, 85515), (1020, 79814), (1190, 68412), (1428, 57010), (1785, 45608), (2040, 39907), (2380, 34206), (2856, 28505), (3570, 22804), (4760, 17103), (5701, 14280), (7140, 11402)]