161605360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12547}}^1$

素因数の和:12590

約数の個数: 80

約数和(自身を含む): 448114176

約数和(自身を除く): 286508816

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12547, 12880, 25094, 50188, 62735, 87829, 100376, 125470, 175658, 200752, 250940, 288581, 351316, 439145, 501880, 577162, 702632, 878290, 1003760, 1154324, 1405264, 1442905, 1756580, 2020067, 2308648, 2885810, 3513160, 4040134, 4617296, 5771620, 7026320, 8080268, 10100335, 11543240, 16160536, 20200670, 23086480, 32321072, 40401340, 80802680, 161605360]

約数ペア:

[(1, 161605360), (2, 80802680), (4, 40401340), (5, 32321072), (7, 23086480), (8, 20200670), (10, 16160536), (14, 11543240), (16, 10100335), (20, 8080268), (23, 7026320), (28, 5771620), (35, 4617296), (40, 4040134), (46, 3513160), (56, 2885810), (70, 2308648), (80, 2020067), (92, 1756580), (112, 1442905), (115, 1405264), (140, 1154324), (161, 1003760), (184, 878290), (230, 702632), (280, 577162), (322, 501880), (368, 439145), (460, 351316), (560, 288581), (644, 250940), (805, 200752), (920, 175658), (1288, 125470), (1610, 100376), (1840, 87829), (2576, 62735), (3220, 50188), (6440, 25094), (12547, 12880)]