1980840

素因数分解:

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

素因数の和:1002

約数の個数: 64

約数和(自身を含む): 6298560

約数和(自身を除く): 4317720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 971, 1020, 1942, 2040, 2913, 3884, 4855, 5826, 7768, 9710, 11652, 14565, 16507, 19420, 23304, 29130, 33014, 38840, 49521, 58260, 66028, 82535, 99042, 116520, 132056, 165070, 198084, 247605, 330140, 396168, 495210, 660280, 990420, 1980840]

約数ペア:

[(1, 1980840), (2, 990420), (3, 660280), (4, 495210), (5, 396168), (6, 330140), (8, 247605), (10, 198084), (12, 165070), (15, 132056), (17, 116520), (20, 99042), (24, 82535), (30, 66028), (34, 58260), (40, 49521), (51, 38840), (60, 33014), (68, 29130), (85, 23304), (102, 19420), (120, 16507), (136, 14565), (170, 11652), (204, 9710), (255, 7768), (340, 5826), (408, 4855), (510, 3884), (680, 2913), (971, 2040), (1020, 1942)]