66346400

素因数分解:

$2^5\times 5^2\times {\mathrm{239}}^1\times {\mathrm{347}}^1$

素因数の和:606

約数の個数: 72

約数和(自身を含む): 163114560

約数和(自身を除く): 96768160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 239, 347, 400, 478, 694, 800, 956, 1195, 1388, 1735, 1912, 2390, 2776, 3470, 3824, 4780, 5552, 5975, 6940, 7648, 8675, 9560, 11104, 11950, 13880, 17350, 19120, 23900, 27760, 34700, 38240, 47800, 55520, 69400, 82933, 95600, 138800, 165866, 191200, 277600, 331732, 414665, 663464, 829330, 1326928, 1658660, 2073325, 2653856, 3317320, 4146650, 6634640, 8293300, 13269280, 16586600, 33173200, 66346400]

約数ペア:

[(1, 66346400), (2, 33173200), (4, 16586600), (5, 13269280), (8, 8293300), (10, 6634640), (16, 4146650), (20, 3317320), (25, 2653856), (32, 2073325), (40, 1658660), (50, 1326928), (80, 829330), (100, 663464), (160, 414665), (200, 331732), (239, 277600), (347, 191200), (400, 165866), (478, 138800), (694, 95600), (800, 82933), (956, 69400), (1195, 55520), (1388, 47800), (1735, 38240), (1912, 34700), (2390, 27760), (2776, 23900), (3470, 19120), (3824, 17350), (4780, 13880), (5552, 11950), (5975, 11104), (6940, 9560), (7648, 8675)]