68987280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1289}}^1$

素因数の和:1528

約数の個数: 80

約数和(自身を含む): 214986240

約数和(自身を除く): 145998960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 669, 892, 1115, 1289, 1338, 1784, 2230, 2578, 2676, 3345, 3568, 3867, 4460, 5156, 5352, 6445, 6690, 7734, 8920, 10312, 10704, 12890, 13380, 15468, 17840, 19335, 20624, 25780, 26760, 30936, 38670, 51560, 53520, 61872, 77340, 103120, 154680, 287447, 309360, 574894, 862341, 1149788, 1437235, 1724682, 2299576, 2874470, 3449364, 4311705, 4599152, 5748940, 6898728, 8623410, 11497880, 13797456, 17246820, 22995760, 34493640, 68987280]

約数ペア:

[(1, 68987280), (2, 34493640), (3, 22995760), (4, 17246820), (5, 13797456), (6, 11497880), (8, 8623410), (10, 6898728), (12, 5748940), (15, 4599152), (16, 4311705), (20, 3449364), (24, 2874470), (30, 2299576), (40, 1724682), (48, 1437235), (60, 1149788), (80, 862341), (120, 574894), (223, 309360), (240, 287447), (446, 154680), (669, 103120), (892, 77340), (1115, 61872), (1289, 53520), (1338, 51560), (1784, 38670), (2230, 30936), (2578, 26760), (2676, 25780), (3345, 20624), (3568, 19335), (3867, 17840), (4460, 15468), (5156, 13380), (5352, 12890), (6445, 10704), (6690, 10312), (7734, 8920)]