163138120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 410572800

約数和(自身を除く): 247434680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 71, 85, 109, 124, 136, 142, 155, 170, 218, 248, 284, 310, 340, 355, 436, 527, 545, 568, 620, 680, 710, 872, 1054, 1090, 1207, 1240, 1420, 1853, 2108, 2180, 2201, 2414, 2635, 2840, 3379, 3706, 4216, 4360, 4402, 4828, 5270, 6035, 6758, 7412, 7739, 8804, 9265, 9656, 10540, 11005, 12070, 13516, 14824, 15478, 16895, 17608, 18530, 21080, 22010, 24140, 27032, 30956, 33790, 37060, 37417, 38695, 44020, 48280, 57443, 61912, 67580, 74120, 74834, 77390, 88040, 114886, 131563, 135160, 149668, 154780, 187085, 229772, 239909, 263126, 287215, 299336, 309560, 374170, 459544, 479818, 526252, 574430, 657815, 748340, 959636, 1052504, 1148860, 1199545, 1315630, 1496680, 1919272, 2297720, 2399090, 2631260, 4078453, 4798180, 5262520, 8156906, 9596360, 16313812, 20392265, 32627624, 40784530, 81569060, 163138120]

約数ペア:

[(1, 163138120), (2, 81569060), (4, 40784530), (5, 32627624), (8, 20392265), (10, 16313812), (17, 9596360), (20, 8156906), (31, 5262520), (34, 4798180), (40, 4078453), (62, 2631260), (68, 2399090), (71, 2297720), (85, 1919272), (109, 1496680), (124, 1315630), (136, 1199545), (142, 1148860), (155, 1052504), (170, 959636), (218, 748340), (248, 657815), (284, 574430), (310, 526252), (340, 479818), (355, 459544), (436, 374170), (527, 309560), (545, 299336), (568, 287215), (620, 263126), (680, 239909), (710, 229772), (872, 187085), (1054, 154780), (1090, 149668), (1207, 135160), (1240, 131563), (1420, 114886), (1853, 88040), (2108, 77390), (2180, 74834), (2201, 74120), (2414, 67580), (2635, 61912), (2840, 57443), (3379, 48280), (3706, 44020), (4216, 38695), (4360, 37417), (4402, 37060), (4828, 33790), (5270, 30956), (6035, 27032), (6758, 24140), (7412, 22010), (7739, 21080), (8804, 18530), (9265, 17608), (9656, 16895), (10540, 15478), (11005, 14824), (12070, 13516)]