9781740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1799

約数の個数: 72

約数和(自身を含む): 30645888

約数和(自身を除く): 20864148

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1753, 1860, 2790, 3506, 5259, 5580, 7012, 8765, 10518, 15777, 17530, 21036, 26295, 31554, 35060, 52590, 54343, 63108, 78885, 105180, 108686, 157770, 163029, 217372, 271715, 315540, 326058, 489087, 543430, 652116, 815145, 978174, 1086860, 1630290, 1956348, 2445435, 3260580, 4890870, 9781740]

約数ペア:

[(1, 9781740), (2, 4890870), (3, 3260580), (4, 2445435), (5, 1956348), (6, 1630290), (9, 1086860), (10, 978174), (12, 815145), (15, 652116), (18, 543430), (20, 489087), (30, 326058), (31, 315540), (36, 271715), (45, 217372), (60, 163029), (62, 157770), (90, 108686), (93, 105180), (124, 78885), (155, 63108), (180, 54343), (186, 52590), (279, 35060), (310, 31554), (372, 26295), (465, 21036), (558, 17530), (620, 15777), (930, 10518), (1116, 8765), (1395, 7012), (1753, 5580), (1860, 5259), (2790, 3506)]