666993000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{223}}^1\times {\mathrm{997}}^1$

素因数の和:1244

約数の個数: 128

約数和(自身を含む): 2092446720

約数和(自身を除く): 1425453720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 223, 250, 300, 375, 446, 500, 600, 669, 750, 892, 997, 1000, 1115, 1338, 1500, 1784, 1994, 2230, 2676, 2991, 3000, 3345, 3988, 4460, 4985, 5352, 5575, 5982, 6690, 7976, 8920, 9970, 11150, 11964, 13380, 14955, 16725, 19940, 22300, 23928, 24925, 26760, 27875, 29910, 33450, 39880, 44600, 49850, 55750, 59820, 66900, 74775, 83625, 99700, 111500, 119640, 124625, 133800, 149550, 167250, 199400, 222331, 223000, 249250, 299100, 334500, 373875, 444662, 498500, 598200, 666993, 669000, 747750, 889324, 997000, 1111655, 1333986, 1495500, 1778648, 2223310, 2667972, 2991000, 3334965, 4446620, 5335944, 5558275, 6669930, 8893240, 11116550, 13339860, 16674825, 22233100, 26679720, 27791375, 33349650, 44466200, 55582750, 66699300, 83374125, 111165500, 133398600, 166748250, 222331000, 333496500, 666993000]

約数ペア:

[(1, 666993000), (2, 333496500), (3, 222331000), (4, 166748250), (5, 133398600), (6, 111165500), (8, 83374125), (10, 66699300), (12, 55582750), (15, 44466200), (20, 33349650), (24, 27791375), (25, 26679720), (30, 22233100), (40, 16674825), (50, 13339860), (60, 11116550), (75, 8893240), (100, 6669930), (120, 5558275), (125, 5335944), (150, 4446620), (200, 3334965), (223, 2991000), (250, 2667972), (300, 2223310), (375, 1778648), (446, 1495500), (500, 1333986), (600, 1111655), (669, 997000), (750, 889324), (892, 747750), (997, 669000), (1000, 666993), (1115, 598200), (1338, 498500), (1500, 444662), (1784, 373875), (1994, 334500), (2230, 299100), (2676, 249250), (2991, 223000), (3000, 222331), (3345, 199400), (3988, 167250), (4460, 149550), (4985, 133800), (5352, 124625), (5575, 119640), (5982, 111500), (6690, 99700), (7976, 83625), (8920, 74775), (9970, 66900), (11150, 59820), (11964, 55750), (13380, 49850), (14955, 44600), (16725, 39880), (19940, 33450), (22300, 29910), (23928, 27875), (24925, 26760)]