13781250

素因数分解:

$2^1\times 3^2\times 5^6\times 7^2$

素因数の和:52

約数の個数: 126

約数和(自身を含む): 43417413

約数和(自身を除く): 29636163

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 49, 50, 63, 70, 75, 90, 98, 105, 125, 126, 147, 150, 175, 210, 225, 245, 250, 294, 315, 350, 375, 441, 450, 490, 525, 625, 630, 735, 750, 875, 882, 1050, 1125, 1225, 1250, 1470, 1575, 1750, 1875, 2205, 2250, 2450, 2625, 3125, 3150, 3675, 3750, 4375, 4410, 5250, 5625, 6125, 6250, 7350, 7875, 8750, 9375, 11025, 11250, 12250, 13125, 15625, 15750, 18375, 18750, 21875, 22050, 26250, 28125, 30625, 31250, 36750, 39375, 43750, 46875, 55125, 56250, 61250, 65625, 78750, 91875, 93750, 109375, 110250, 131250, 140625, 153125, 183750, 196875, 218750, 275625, 281250, 306250, 328125, 393750, 459375, 551250, 656250, 765625, 918750, 984375, 1378125, 1531250, 1968750, 2296875, 2756250, 4593750, 6890625, 13781250]

約数ペア:

[(1, 13781250), (2, 6890625), (3, 4593750), (5, 2756250), (6, 2296875), (7, 1968750), (9, 1531250), (10, 1378125), (14, 984375), (15, 918750), (18, 765625), (21, 656250), (25, 551250), (30, 459375), (35, 393750), (42, 328125), (45, 306250), (49, 281250), (50, 275625), (63, 218750), (70, 196875), (75, 183750), (90, 153125), (98, 140625), (105, 131250), (125, 110250), (126, 109375), (147, 93750), (150, 91875), (175, 78750), (210, 65625), (225, 61250), (245, 56250), (250, 55125), (294, 46875), (315, 43750), (350, 39375), (375, 36750), (441, 31250), (450, 30625), (490, 28125), (525, 26250), (625, 22050), (630, 21875), (735, 18750), (750, 18375), (875, 15750), (882, 15625), (1050, 13125), (1125, 12250), (1225, 11250), (1250, 11025), (1470, 9375), (1575, 8750), (1750, 7875), (1875, 7350), (2205, 6250), (2250, 6125), (2450, 5625), (2625, 5250), (3125, 4410), (3150, 4375), (3675, 3750)]