18221250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 80

約数和(自身を含む): 47009952

約数和(自身を除く): 28788702

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 113, 125, 129, 150, 215, 226, 250, 258, 339, 375, 430, 565, 625, 645, 678, 750, 1075, 1130, 1250, 1290, 1695, 1875, 2150, 2825, 3225, 3390, 3750, 4859, 5375, 5650, 6450, 8475, 9718, 10750, 14125, 14577, 16125, 16950, 24295, 26875, 28250, 29154, 32250, 42375, 48590, 53750, 70625, 72885, 80625, 84750, 121475, 141250, 145770, 161250, 211875, 242950, 364425, 423750, 607375, 728850, 1214750, 1822125, 3036875, 3644250, 6073750, 9110625, 18221250]

約数ペア:

[(1, 18221250), (2, 9110625), (3, 6073750), (5, 3644250), (6, 3036875), (10, 1822125), (15, 1214750), (25, 728850), (30, 607375), (43, 423750), (50, 364425), (75, 242950), (86, 211875), (113, 161250), (125, 145770), (129, 141250), (150, 121475), (215, 84750), (226, 80625), (250, 72885), (258, 70625), (339, 53750), (375, 48590), (430, 42375), (565, 32250), (625, 29154), (645, 28250), (678, 26875), (750, 24295), (1075, 16950), (1130, 16125), (1250, 14577), (1290, 14125), (1695, 10750), (1875, 9718), (2150, 8475), (2825, 6450), (3225, 5650), (3390, 5375), (3750, 4859)]