616668880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2621}}^1$

素因数の和:2824

約数の個数: 80

約数和(自身を含む): 1527451344

約数和(自身を除く): 910782464

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 173, 272, 340, 346, 680, 692, 865, 1360, 1384, 1730, 2621, 2768, 2941, 3460, 5242, 5882, 6920, 10484, 11764, 13105, 13840, 14705, 20968, 23528, 26210, 29410, 41936, 44557, 47056, 52420, 58820, 89114, 104840, 117640, 178228, 209680, 222785, 235280, 356456, 445570, 453433, 712912, 891140, 906866, 1782280, 1813732, 2267165, 3564560, 3627464, 4534330, 7254928, 7708361, 9068660, 15416722, 18137320, 30833444, 36274640, 38541805, 61666888, 77083610, 123333776, 154167220, 308334440, 616668880]

約数ペア:

[(1, 616668880), (2, 308334440), (4, 154167220), (5, 123333776), (8, 77083610), (10, 61666888), (16, 38541805), (17, 36274640), (20, 30833444), (34, 18137320), (40, 15416722), (68, 9068660), (80, 7708361), (85, 7254928), (136, 4534330), (170, 3627464), (173, 3564560), (272, 2267165), (340, 1813732), (346, 1782280), (680, 906866), (692, 891140), (865, 712912), (1360, 453433), (1384, 445570), (1730, 356456), (2621, 235280), (2768, 222785), (2941, 209680), (3460, 178228), (5242, 117640), (5882, 104840), (6920, 89114), (10484, 58820), (11764, 52420), (13105, 47056), (13840, 44557), (14705, 41936), (20968, 29410), (23528, 26210)]