318870960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{42859}}^1$

素因数の和:42906

約数の個数: 80

約数和(自身を含む): 1020410880

約数和(自身を除く): 701539920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 42859, 85718, 128577, 171436, 214295, 257154, 342872, 428590, 514308, 642885, 685744, 857180, 1028616, 1285770, 1328629, 1714360, 2057232, 2571540, 2657258, 3428720, 3985887, 5143080, 5314516, 6643145, 7971774, 10286160, 10629032, 13286290, 15943548, 19929435, 21258064, 26572580, 31887096, 39858870, 53145160, 63774192, 79717740, 106290320, 159435480, 318870960]

約数ペア:

[(1, 318870960), (2, 159435480), (3, 106290320), (4, 79717740), (5, 63774192), (6, 53145160), (8, 39858870), (10, 31887096), (12, 26572580), (15, 21258064), (16, 19929435), (20, 15943548), (24, 13286290), (30, 10629032), (31, 10286160), (40, 7971774), (48, 6643145), (60, 5314516), (62, 5143080), (80, 3985887), (93, 3428720), (120, 2657258), (124, 2571540), (155, 2057232), (186, 1714360), (240, 1328629), (248, 1285770), (310, 1028616), (372, 857180), (465, 685744), (496, 642885), (620, 514308), (744, 428590), (930, 342872), (1240, 257154), (1488, 214295), (1860, 171436), (2480, 128577), (3720, 85718), (7440, 42859)]