2990220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 96

約数和(自身を含む): 9166080

約数和(自身を除く): 6175860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 61, 76, 86, 95, 114, 122, 129, 172, 183, 190, 215, 228, 244, 258, 285, 305, 366, 380, 430, 516, 570, 610, 645, 732, 817, 860, 915, 1140, 1159, 1220, 1290, 1634, 1830, 2318, 2451, 2580, 2623, 3268, 3477, 3660, 4085, 4636, 4902, 5246, 5795, 6954, 7869, 8170, 9804, 10492, 11590, 12255, 13115, 13908, 15738, 16340, 17385, 23180, 24510, 26230, 31476, 34770, 39345, 49020, 49837, 52460, 69540, 78690, 99674, 149511, 157380, 199348, 249185, 299022, 498370, 598044, 747555, 996740, 1495110, 2990220]

約数ペア:

[(1, 2990220), (2, 1495110), (3, 996740), (4, 747555), (5, 598044), (6, 498370), (10, 299022), (12, 249185), (15, 199348), (19, 157380), (20, 149511), (30, 99674), (38, 78690), (43, 69540), (57, 52460), (60, 49837), (61, 49020), (76, 39345), (86, 34770), (95, 31476), (114, 26230), (122, 24510), (129, 23180), (172, 17385), (183, 16340), (190, 15738), (215, 13908), (228, 13115), (244, 12255), (258, 11590), (285, 10492), (305, 9804), (366, 8170), (380, 7869), (430, 6954), (516, 5795), (570, 5246), (610, 4902), (645, 4636), (732, 4085), (817, 3660), (860, 3477), (915, 3268), (1140, 2623), (1159, 2580), (1220, 2451), (1290, 2318), (1634, 1830)]