140639640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1073

約数の個数: 128

約数和(自身を含む): 453496320

約数和(自身を除く): 312856680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 71, 85, 102, 120, 136, 142, 170, 204, 213, 255, 284, 340, 355, 408, 426, 510, 568, 680, 710, 852, 971, 1020, 1065, 1207, 1420, 1704, 1942, 2040, 2130, 2414, 2840, 2913, 3621, 3884, 4260, 4828, 4855, 5826, 6035, 7242, 7768, 8520, 9656, 9710, 11652, 12070, 14484, 14565, 16507, 18105, 19420, 23304, 24140, 28968, 29130, 33014, 36210, 38840, 48280, 49521, 58260, 66028, 68941, 72420, 82535, 99042, 116520, 132056, 137882, 144840, 165070, 198084, 206823, 247605, 275764, 330140, 344705, 396168, 413646, 495210, 551528, 660280, 689410, 827292, 990420, 1034115, 1171997, 1378820, 1654584, 1980840, 2068230, 2343994, 2757640, 3515991, 4136460, 4687988, 5859985, 7031982, 8272920, 9375976, 11719970, 14063964, 17579955, 23439940, 28127928, 35159910, 46879880, 70319820, 140639640]

約数ペア:

[(1, 140639640), (2, 70319820), (3, 46879880), (4, 35159910), (5, 28127928), (6, 23439940), (8, 17579955), (10, 14063964), (12, 11719970), (15, 9375976), (17, 8272920), (20, 7031982), (24, 5859985), (30, 4687988), (34, 4136460), (40, 3515991), (51, 2757640), (60, 2343994), (68, 2068230), (71, 1980840), (85, 1654584), (102, 1378820), (120, 1171997), (136, 1034115), (142, 990420), (170, 827292), (204, 689410), (213, 660280), (255, 551528), (284, 495210), (340, 413646), (355, 396168), (408, 344705), (426, 330140), (510, 275764), (568, 247605), (680, 206823), (710, 198084), (852, 165070), (971, 144840), (1020, 137882), (1065, 132056), (1207, 116520), (1420, 99042), (1704, 82535), (1942, 72420), (2040, 68941), (2130, 66028), (2414, 58260), (2840, 49521), (2913, 48280), (3621, 38840), (3884, 36210), (4260, 33014), (4828, 29130), (4855, 28968), (5826, 24140), (6035, 23304), (7242, 19420), (7768, 18105), (8520, 16507), (9656, 14565), (9710, 14484), (11652, 12070)]