21825000

素因数分解:

$2^3\times 3^2\times 5^5\times {\mathrm{97}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 74643660

約数和(自身を除く): 52818660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 97, 100, 120, 125, 150, 180, 194, 200, 225, 250, 291, 300, 360, 375, 388, 450, 485, 500, 582, 600, 625, 750, 776, 873, 900, 970, 1000, 1125, 1164, 1250, 1455, 1500, 1746, 1800, 1875, 1940, 2250, 2328, 2425, 2500, 2910, 3000, 3125, 3492, 3750, 3880, 4365, 4500, 4850, 5000, 5625, 5820, 6250, 6984, 7275, 7500, 8730, 9000, 9375, 9700, 11250, 11640, 12125, 12500, 14550, 15000, 17460, 18750, 19400, 21825, 22500, 24250, 25000, 28125, 29100, 34920, 36375, 37500, 43650, 45000, 48500, 56250, 58200, 60625, 72750, 75000, 87300, 97000, 109125, 112500, 121250, 145500, 174600, 181875, 218250, 225000, 242500, 291000, 303125, 363750, 436500, 485000, 545625, 606250, 727500, 873000, 909375, 1091250, 1212500, 1455000, 1818750, 2182500, 2425000, 2728125, 3637500, 4365000, 5456250, 7275000, 10912500, 21825000]

約数ペア:

[(1, 21825000), (2, 10912500), (3, 7275000), (4, 5456250), (5, 4365000), (6, 3637500), (8, 2728125), (9, 2425000), (10, 2182500), (12, 1818750), (15, 1455000), (18, 1212500), (20, 1091250), (24, 909375), (25, 873000), (30, 727500), (36, 606250), (40, 545625), (45, 485000), (50, 436500), (60, 363750), (72, 303125), (75, 291000), (90, 242500), (97, 225000), (100, 218250), (120, 181875), (125, 174600), (150, 145500), (180, 121250), (194, 112500), (200, 109125), (225, 97000), (250, 87300), (291, 75000), (300, 72750), (360, 60625), (375, 58200), (388, 56250), (450, 48500), (485, 45000), (500, 43650), (582, 37500), (600, 36375), (625, 34920), (750, 29100), (776, 28125), (873, 25000), (900, 24250), (970, 22500), (1000, 21825), (1125, 19400), (1164, 18750), (1250, 17460), (1455, 15000), (1500, 14550), (1746, 12500), (1800, 12125), (1875, 11640), (1940, 11250), (2250, 9700), (2328, 9375), (2425, 9000), (2500, 8730), (2910, 7500), (3000, 7275), (3125, 6984), (3492, 6250), (3750, 5820), (3880, 5625), (4365, 5000), (4500, 4850)]