61997320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20129}}^1$

素因数の和:20158

約数の個数: 64

約数和(自身を含む): 173923200

約数和(自身を除く): 111925880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 20129, 40258, 80516, 100645, 140903, 161032, 201290, 221419, 281806, 402580, 442838, 563612, 704515, 805160, 885676, 1107095, 1127224, 1409030, 1549933, 1771352, 2214190, 2818060, 3099866, 4428380, 5636120, 6199732, 7749665, 8856760, 12399464, 15499330, 30998660, 61997320]

約数ペア:

[(1, 61997320), (2, 30998660), (4, 15499330), (5, 12399464), (7, 8856760), (8, 7749665), (10, 6199732), (11, 5636120), (14, 4428380), (20, 3099866), (22, 2818060), (28, 2214190), (35, 1771352), (40, 1549933), (44, 1409030), (55, 1127224), (56, 1107095), (70, 885676), (77, 805160), (88, 704515), (110, 563612), (140, 442838), (154, 402580), (220, 281806), (280, 221419), (308, 201290), (385, 161032), (440, 140903), (616, 100645), (770, 80516), (1540, 40258), (3080, 20129)]