83921220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3559}}^1$

素因数の和:3705

約数の個数: 72

約数和(自身を含む): 256576320

約数和(自身を除く): 172655100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3559, 3930, 4716, 5895, 7118, 7860, 10677, 11790, 14236, 17795, 21354, 23580, 32031, 35590, 42708, 53385, 64062, 71180, 106770, 128124, 160155, 213540, 320310, 466229, 640620, 932458, 1398687, 1864916, 2331145, 2797374, 4196061, 4662290, 5594748, 6993435, 8392122, 9324580, 13986870, 16784244, 20980305, 27973740, 41960610, 83921220]

約数ペア:

[(1, 83921220), (2, 41960610), (3, 27973740), (4, 20980305), (5, 16784244), (6, 13986870), (9, 9324580), (10, 8392122), (12, 6993435), (15, 5594748), (18, 4662290), (20, 4196061), (30, 2797374), (36, 2331145), (45, 1864916), (60, 1398687), (90, 932458), (131, 640620), (180, 466229), (262, 320310), (393, 213540), (524, 160155), (655, 128124), (786, 106770), (1179, 71180), (1310, 64062), (1572, 53385), (1965, 42708), (2358, 35590), (2620, 32031), (3559, 23580), (3930, 21354), (4716, 17795), (5895, 14236), (7118, 11790), (7860, 10677)]