18205650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1759}}^1$

素因数の和:1800

約数の個数: 72

約数和(自身を含む): 51068160

約数和(自身を除く): 32862510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 138, 150, 207, 225, 230, 345, 414, 450, 575, 690, 1035, 1150, 1725, 1759, 2070, 3450, 3518, 5175, 5277, 8795, 10350, 10554, 15831, 17590, 26385, 31662, 40457, 43975, 52770, 79155, 80914, 87950, 121371, 131925, 158310, 202285, 242742, 263850, 364113, 395775, 404570, 606855, 728226, 791550, 1011425, 1213710, 1820565, 2022850, 3034275, 3641130, 6068550, 9102825, 18205650]

約数ペア:

[(1, 18205650), (2, 9102825), (3, 6068550), (5, 3641130), (6, 3034275), (9, 2022850), (10, 1820565), (15, 1213710), (18, 1011425), (23, 791550), (25, 728226), (30, 606855), (45, 404570), (46, 395775), (50, 364113), (69, 263850), (75, 242742), (90, 202285), (115, 158310), (138, 131925), (150, 121371), (207, 87950), (225, 80914), (230, 79155), (345, 52770), (414, 43975), (450, 40457), (575, 31662), (690, 26385), (1035, 17590), (1150, 15831), (1725, 10554), (1759, 10350), (2070, 8795), (3450, 5277), (3518, 5175)]