122071720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 284135040

約数和(自身を除く): 162063320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 265, 284, 355, 424, 530, 568, 710, 811, 1060, 1420, 1622, 2120, 2840, 3244, 3763, 4055, 6488, 7526, 8110, 15052, 16220, 18815, 30104, 32440, 37630, 42983, 57581, 75260, 85966, 115162, 150520, 171932, 214915, 230324, 287905, 343864, 429830, 460648, 575810, 859660, 1151620, 1719320, 2303240, 3051793, 6103586, 12207172, 15258965, 24414344, 30517930, 61035860, 122071720]

約数ペア:

[(1, 122071720), (2, 61035860), (4, 30517930), (5, 24414344), (8, 15258965), (10, 12207172), (20, 6103586), (40, 3051793), (53, 2303240), (71, 1719320), (106, 1151620), (142, 859660), (212, 575810), (265, 460648), (284, 429830), (355, 343864), (424, 287905), (530, 230324), (568, 214915), (710, 171932), (811, 150520), (1060, 115162), (1420, 85966), (1622, 75260), (2120, 57581), (2840, 42983), (3244, 37630), (3763, 32440), (4055, 30104), (6488, 18815), (7526, 16220), (8110, 15052)]