289836120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{887}}^1$

素因数の和:1297

約数の個数: 128

約数和(自身を含む): 997401600

約数和(自身を除く): 707565480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 389, 420, 778, 840, 887, 1167, 1556, 1774, 1945, 2334, 2661, 2723, 3112, 3548, 3890, 4435, 4668, 5322, 5446, 5835, 6209, 7096, 7780, 8169, 8870, 9336, 10644, 10892, 11670, 12418, 13305, 13615, 15560, 16338, 17740, 18627, 21288, 21784, 23340, 24836, 26610, 27230, 31045, 32676, 35480, 37254, 40845, 46680, 49672, 53220, 54460, 62090, 65352, 74508, 81690, 93135, 106440, 108920, 124180, 149016, 163380, 186270, 248360, 326760, 345043, 372540, 690086, 745080, 1035129, 1380172, 1725215, 2070258, 2415301, 2760344, 3450430, 4140516, 4830602, 5175645, 6900860, 7245903, 8281032, 9661204, 10351290, 12076505, 13801720, 14491806, 19322408, 20702580, 24153010, 28983612, 36229515, 41405160, 48306020, 57967224, 72459030, 96612040, 144918060, 289836120]

約数ペア:

[(1, 289836120), (2, 144918060), (3, 96612040), (4, 72459030), (5, 57967224), (6, 48306020), (7, 41405160), (8, 36229515), (10, 28983612), (12, 24153010), (14, 20702580), (15, 19322408), (20, 14491806), (21, 13801720), (24, 12076505), (28, 10351290), (30, 9661204), (35, 8281032), (40, 7245903), (42, 6900860), (56, 5175645), (60, 4830602), (70, 4140516), (84, 3450430), (105, 2760344), (120, 2415301), (140, 2070258), (168, 1725215), (210, 1380172), (280, 1035129), (389, 745080), (420, 690086), (778, 372540), (840, 345043), (887, 326760), (1167, 248360), (1556, 186270), (1774, 163380), (1945, 149016), (2334, 124180), (2661, 108920), (2723, 106440), (3112, 93135), (3548, 81690), (3890, 74508), (4435, 65352), (4668, 62090), (5322, 54460), (5446, 53220), (5835, 49672), (6209, 46680), (7096, 40845), (7780, 37254), (8169, 35480), (8870, 32676), (9336, 31045), (10644, 27230), (10892, 26610), (11670, 24836), (12418, 23340), (13305, 21784), (13615, 21288), (15560, 18627), (16338, 17740)]