2018420625

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4871}}^1$

素因数の和:4924

約数の個数: 80

約数和(自身を含む): 3835472256

約数和(自身を除く): 1817051631

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 375, 425, 625, 663, 975, 1105, 1275, 1625, 1875, 2125, 3315, 4871, 4875, 5525, 6375, 8125, 10625, 14613, 16575, 24355, 24375, 27625, 31875, 63323, 73065, 82807, 82875, 121775, 138125, 189969, 248421, 316615, 365325, 414035, 414375, 608875, 949845, 1076491, 1242105, 1583075, 1826625, 2070175, 3044375, 3229473, 4749225, 5382455, 6210525, 7915375, 9133125, 10350875, 16147365, 23746125, 26912275, 31052625, 39576875, 51754375, 80736825, 118730625, 134561375, 155263125, 403684125, 672806875, 2018420625]

約数ペア:

[(1, 2018420625), (3, 672806875), (5, 403684125), (13, 155263125), (15, 134561375), (17, 118730625), (25, 80736825), (39, 51754375), (51, 39576875), (65, 31052625), (75, 26912275), (85, 23746125), (125, 16147365), (195, 10350875), (221, 9133125), (255, 7915375), (325, 6210525), (375, 5382455), (425, 4749225), (625, 3229473), (663, 3044375), (975, 2070175), (1105, 1826625), (1275, 1583075), (1625, 1242105), (1875, 1076491), (2125, 949845), (3315, 608875), (4871, 414375), (4875, 414035), (5525, 365325), (6375, 316615), (8125, 248421), (10625, 189969), (14613, 138125), (16575, 121775), (24355, 82875), (24375, 82807), (27625, 73065), (31875, 63323)]