80445720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29147}}^1$

素因数の和:29184

約数の個数: 64

約数和(自身を含む): 251838720

約数和(自身を除く): 171393000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29147, 58294, 87441, 116588, 145735, 174882, 233176, 291470, 349764, 437205, 582940, 670381, 699528, 874410, 1165880, 1340762, 1748820, 2011143, 2681524, 3351905, 3497640, 4022286, 5363048, 6703810, 8044572, 10055715, 13407620, 16089144, 20111430, 26815240, 40222860, 80445720]

約数ペア:

[(1, 80445720), (2, 40222860), (3, 26815240), (4, 20111430), (5, 16089144), (6, 13407620), (8, 10055715), (10, 8044572), (12, 6703810), (15, 5363048), (20, 4022286), (23, 3497640), (24, 3351905), (30, 2681524), (40, 2011143), (46, 1748820), (60, 1340762), (69, 1165880), (92, 874410), (115, 699528), (120, 670381), (138, 582940), (184, 437205), (230, 349764), (276, 291470), (345, 233176), (460, 174882), (552, 145735), (690, 116588), (920, 87441), (1380, 58294), (2760, 29147)]