31465560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{797}}^1$

素因数の和:865

約数の個数: 128

約数和(自身を含む): 110315520

約数和(自身を除く): 78849960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 797, 840, 940, 987, 1128, 1316, 1410, 1594, 1645, 1880, 1974, 2391, 2632, 2820, 3188, 3290, 3948, 3985, 4782, 4935, 5579, 5640, 6376, 6580, 7896, 7970, 9564, 9870, 11158, 11955, 13160, 15940, 16737, 19128, 19740, 22316, 23910, 27895, 31880, 33474, 37459, 39480, 44632, 47820, 55790, 66948, 74918, 83685, 95640, 111580, 112377, 133896, 149836, 167370, 187295, 223160, 224754, 262213, 299672, 334740, 374590, 449508, 524426, 561885, 669480, 749180, 786639, 899016, 1048852, 1123770, 1311065, 1498360, 1573278, 2097704, 2247540, 2622130, 3146556, 3933195, 4495080, 5244260, 6293112, 7866390, 10488520, 15732780, 31465560]

約数ペア:

[(1, 31465560), (2, 15732780), (3, 10488520), (4, 7866390), (5, 6293112), (6, 5244260), (7, 4495080), (8, 3933195), (10, 3146556), (12, 2622130), (14, 2247540), (15, 2097704), (20, 1573278), (21, 1498360), (24, 1311065), (28, 1123770), (30, 1048852), (35, 899016), (40, 786639), (42, 749180), (47, 669480), (56, 561885), (60, 524426), (70, 449508), (84, 374590), (94, 334740), (105, 299672), (120, 262213), (140, 224754), (141, 223160), (168, 187295), (188, 167370), (210, 149836), (235, 133896), (280, 112377), (282, 111580), (329, 95640), (376, 83685), (420, 74918), (470, 66948), (564, 55790), (658, 47820), (705, 44632), (797, 39480), (840, 37459), (940, 33474), (987, 31880), (1128, 27895), (1316, 23910), (1410, 22316), (1594, 19740), (1645, 19128), (1880, 16737), (1974, 15940), (2391, 13160), (2632, 11955), (2820, 11158), (3188, 9870), (3290, 9564), (3948, 7970), (3985, 7896), (4782, 6580), (4935, 6376), (5579, 5640)]