81768750

素因数分解:

$2^1\times 3^1\times 5^5\times 7^2\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 144

約数和(自身を含む): 240453360

約数和(自身を除く): 158684610

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 89, 98, 105, 125, 147, 150, 175, 178, 210, 245, 250, 267, 294, 350, 375, 445, 490, 525, 534, 623, 625, 735, 750, 875, 890, 1050, 1225, 1246, 1250, 1335, 1470, 1750, 1869, 1875, 2225, 2450, 2625, 2670, 3115, 3125, 3675, 3738, 3750, 4361, 4375, 4450, 5250, 6125, 6230, 6250, 6675, 7350, 8722, 8750, 9345, 9375, 11125, 12250, 13083, 13125, 13350, 15575, 18375, 18690, 18750, 21805, 21875, 22250, 26166, 26250, 30625, 31150, 33375, 36750, 43610, 43750, 46725, 55625, 61250, 65415, 65625, 66750, 77875, 91875, 93450, 109025, 111250, 130830, 131250, 153125, 155750, 166875, 183750, 218050, 233625, 278125, 306250, 327075, 333750, 389375, 459375, 467250, 545125, 556250, 654150, 778750, 834375, 918750, 1090250, 1168125, 1635375, 1668750, 1946875, 2336250, 2725625, 3270750, 3893750, 5451250, 5840625, 8176875, 11681250, 13628125, 16353750, 27256250, 40884375, 81768750]

約数ペア:

[(1, 81768750), (2, 40884375), (3, 27256250), (5, 16353750), (6, 13628125), (7, 11681250), (10, 8176875), (14, 5840625), (15, 5451250), (21, 3893750), (25, 3270750), (30, 2725625), (35, 2336250), (42, 1946875), (49, 1668750), (50, 1635375), (70, 1168125), (75, 1090250), (89, 918750), (98, 834375), (105, 778750), (125, 654150), (147, 556250), (150, 545125), (175, 467250), (178, 459375), (210, 389375), (245, 333750), (250, 327075), (267, 306250), (294, 278125), (350, 233625), (375, 218050), (445, 183750), (490, 166875), (525, 155750), (534, 153125), (623, 131250), (625, 130830), (735, 111250), (750, 109025), (875, 93450), (890, 91875), (1050, 77875), (1225, 66750), (1246, 65625), (1250, 65415), (1335, 61250), (1470, 55625), (1750, 46725), (1869, 43750), (1875, 43610), (2225, 36750), (2450, 33375), (2625, 31150), (2670, 30625), (3115, 26250), (3125, 26166), (3675, 22250), (3738, 21875), (3750, 21805), (4361, 18750), (4375, 18690), (4450, 18375), (5250, 15575), (6125, 13350), (6230, 13125), (6250, 13083), (6675, 12250), (7350, 11125), (8722, 9375), (8750, 9345)]