2107860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 6360480

約数和(自身を除く): 4252620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 172, 190, 215, 228, 258, 285, 380, 430, 516, 570, 645, 817, 860, 1140, 1290, 1634, 1849, 2451, 2580, 3268, 3698, 4085, 4902, 5547, 7396, 8170, 9245, 9804, 11094, 12255, 16340, 18490, 22188, 24510, 27735, 35131, 36980, 49020, 55470, 70262, 105393, 110940, 140524, 175655, 210786, 351310, 421572, 526965, 702620, 1053930, 2107860]

約数ペア:

[(1, 2107860), (2, 1053930), (3, 702620), (4, 526965), (5, 421572), (6, 351310), (10, 210786), (12, 175655), (15, 140524), (19, 110940), (20, 105393), (30, 70262), (38, 55470), (43, 49020), (57, 36980), (60, 35131), (76, 27735), (86, 24510), (95, 22188), (114, 18490), (129, 16340), (172, 12255), (190, 11094), (215, 9804), (228, 9245), (258, 8170), (285, 7396), (380, 5547), (430, 4902), (516, 4085), (570, 3698), (645, 3268), (817, 2580), (860, 2451), (1140, 1849), (1290, 1634)]