681036304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 1503028800

約数和(自身を除く): 821992496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 389, 443, 494, 778, 886, 988, 1556, 1772, 1976, 3112, 3544, 3952, 5057, 5759, 6224, 7088, 7391, 8417, 10114, 11518, 14782, 16834, 20228, 23036, 29564, 33668, 40456, 46072, 59128, 67336, 80912, 92144, 96083, 109421, 118256, 134672, 172327, 192166, 218842, 344654, 384332, 437684, 689308, 768664, 875368, 1378616, 1537328, 1750736, 2240251, 2757232, 3274213, 4480502, 6548426, 8961004, 13096852, 17922008, 26193704, 35844016, 42564769, 52387408, 85129538, 170259076, 340518152, 681036304]

約数ペア:

[(1, 681036304), (2, 340518152), (4, 170259076), (8, 85129538), (13, 52387408), (16, 42564769), (19, 35844016), (26, 26193704), (38, 17922008), (52, 13096852), (76, 8961004), (104, 6548426), (152, 4480502), (208, 3274213), (247, 2757232), (304, 2240251), (389, 1750736), (443, 1537328), (494, 1378616), (778, 875368), (886, 768664), (988, 689308), (1556, 437684), (1772, 384332), (1976, 344654), (3112, 218842), (3544, 192166), (3952, 172327), (5057, 134672), (5759, 118256), (6224, 109421), (7088, 96083), (7391, 92144), (8417, 80912), (10114, 67336), (11518, 59128), (14782, 46072), (16834, 40456), (20228, 33668), (23036, 29564)]