917693840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{769}}^1\times {\mathrm{2131}}^1$

素因数の和:2920

約数の個数: 80

約数和(自身を含む): 2442760320

約数和(自身を除く): 1525066480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 769, 1538, 2131, 3076, 3845, 4262, 5383, 6152, 7690, 8524, 10655, 10766, 12304, 14917, 15380, 17048, 21310, 21532, 26915, 29834, 30760, 34096, 42620, 43064, 53830, 59668, 61520, 74585, 85240, 86128, 107660, 119336, 149170, 170480, 215320, 238672, 298340, 430640, 596680, 1193360, 1638739, 3277478, 6554956, 8193695, 11471173, 13109912, 16387390, 22942346, 26219824, 32774780, 45884692, 57355865, 65549560, 91769384, 114711730, 131099120, 183538768, 229423460, 458846920, 917693840]

約数ペア:

[(1, 917693840), (2, 458846920), (4, 229423460), (5, 183538768), (7, 131099120), (8, 114711730), (10, 91769384), (14, 65549560), (16, 57355865), (20, 45884692), (28, 32774780), (35, 26219824), (40, 22942346), (56, 16387390), (70, 13109912), (80, 11471173), (112, 8193695), (140, 6554956), (280, 3277478), (560, 1638739), (769, 1193360), (1538, 596680), (2131, 430640), (3076, 298340), (3845, 238672), (4262, 215320), (5383, 170480), (6152, 149170), (7690, 119336), (8524, 107660), (10655, 86128), (10766, 85240), (12304, 74585), (14917, 61520), (15380, 59668), (17048, 53830), (21310, 43064), (21532, 42620), (26915, 34096), (29834, 30760)]