18916804560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{353453}}^1$

素因数の和:353692

約数の個数: 80

約数和(自身を含む): 58905229824

約数和(自身を除く): 39988425264

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, 1338, 1784, 2230, 2676, 3345, 3568, 4460, 5352, 6690, 8920, 10704, 13380, 17840, 26760, 53520, 353453, 706906, 1060359, 1413812, 1767265, 2120718, 2827624, 3534530, 4241436, 5301795, 5655248, 7069060, 8482872, 10603590, 14138120, 16965744, 21207180, 28276240, 42414360, 78820019, 84828720, 157640038, 236460057, 315280076, 394100095, 472920114, 630560152, 788200190, 945840228, 1182300285, 1261120304, 1576400380, 1891680456, 2364600570, 3152800760, 3783360912, 4729201140, 6305601520, 9458402280, 18916804560]

約数ペア:

[(1, 18916804560), (2, 9458402280), (3, 6305601520), (4, 4729201140), (5, 3783360912), (6, 3152800760), (8, 2364600570), (10, 1891680456), (12, 1576400380), (15, 1261120304), (16, 1182300285), (20, 945840228), (24, 788200190), (30, 630560152), (40, 472920114), (48, 394100095), (60, 315280076), (80, 236460057), (120, 157640038), (223, 84828720), (240, 78820019), (446, 42414360), (669, 28276240), (892, 21207180), (1115, 16965744), (1338, 14138120), (1784, 10603590), (2230, 8482872), (2676, 7069060), (3345, 5655248), (3568, 5301795), (4460, 4241436), (5352, 3534530), (6690, 2827624), (8920, 2120718), (10704, 1767265), (13380, 1413812), (17840, 1060359), (26760, 706906), (53520, 353453)]