7863660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^2$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 27610128

約数和(自身を除く): 19746468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2765, 2844, 3318, 3555, 4740, 4977, 5530, 6241, 6636, 7110, 8295, 9954, 11060, 12482, 14220, 16590, 18723, 19908, 24885, 24964, 31205, 33180, 37446, 43687, 49770, 56169, 62410, 74892, 87374, 93615, 99540, 112338, 124820, 131061, 174748, 187230, 218435, 224676, 262122, 280845, 374460, 393183, 436870, 524244, 561690, 655305, 786366, 873740, 1123380, 1310610, 1572732, 1965915, 2621220, 3931830, 7863660]

約数ペア:

[(1, 7863660), (2, 3931830), (3, 2621220), (4, 1965915), (5, 1572732), (6, 1310610), (7, 1123380), (9, 873740), (10, 786366), (12, 655305), (14, 561690), (15, 524244), (18, 436870), (20, 393183), (21, 374460), (28, 280845), (30, 262122), (35, 224676), (36, 218435), (42, 187230), (45, 174748), (60, 131061), (63, 124820), (70, 112338), (79, 99540), (84, 93615), (90, 87374), (105, 74892), (126, 62410), (140, 56169), (158, 49770), (180, 43687), (210, 37446), (237, 33180), (252, 31205), (315, 24964), (316, 24885), (395, 19908), (420, 18723), (474, 16590), (553, 14220), (630, 12482), (711, 11060), (790, 9954), (948, 8295), (1106, 7110), (1185, 6636), (1260, 6241), (1422, 5530), (1580, 4977), (1659, 4740), (2212, 3555), (2370, 3318), (2765, 2844)]