61111120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 173560320

約数和(自身を除く): 112449200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 53, 56, 58, 70, 71, 80, 106, 112, 116, 140, 142, 145, 203, 212, 232, 265, 280, 284, 290, 355, 371, 406, 424, 464, 497, 530, 560, 568, 580, 710, 742, 812, 848, 994, 1015, 1060, 1136, 1160, 1420, 1484, 1537, 1624, 1855, 1988, 2030, 2059, 2120, 2320, 2485, 2840, 2968, 3074, 3248, 3710, 3763, 3976, 4060, 4118, 4240, 4970, 5680, 5936, 6148, 7420, 7526, 7685, 7952, 8120, 8236, 9940, 10295, 10759, 12296, 14413, 14840, 15052, 15370, 16240, 16472, 18815, 19880, 20590, 21518, 24592, 26341, 28826, 29680, 30104, 30740, 32944, 37630, 39760, 41180, 43036, 52682, 53795, 57652, 60208, 61480, 72065, 75260, 82360, 86072, 105364, 107590, 109127, 115304, 122960, 131705, 144130, 150520, 164720, 172144, 210728, 215180, 218254, 230608, 263410, 288260, 301040, 421456, 430360, 436508, 526820, 545635, 576520, 763889, 860720, 873016, 1053640, 1091270, 1153040, 1527778, 1746032, 2107280, 2182540, 3055556, 3819445, 4365080, 6111112, 7638890, 8730160, 12222224, 15277780, 30555560, 61111120]

約数ペア:

[(1, 61111120), (2, 30555560), (4, 15277780), (5, 12222224), (7, 8730160), (8, 7638890), (10, 6111112), (14, 4365080), (16, 3819445), (20, 3055556), (28, 2182540), (29, 2107280), (35, 1746032), (40, 1527778), (53, 1153040), (56, 1091270), (58, 1053640), (70, 873016), (71, 860720), (80, 763889), (106, 576520), (112, 545635), (116, 526820), (140, 436508), (142, 430360), (145, 421456), (203, 301040), (212, 288260), (232, 263410), (265, 230608), (280, 218254), (284, 215180), (290, 210728), (355, 172144), (371, 164720), (406, 150520), (424, 144130), (464, 131705), (497, 122960), (530, 115304), (560, 109127), (568, 107590), (580, 105364), (710, 86072), (742, 82360), (812, 75260), (848, 72065), (994, 61480), (1015, 60208), (1060, 57652), (1136, 53795), (1160, 52682), (1420, 43036), (1484, 41180), (1537, 39760), (1624, 37630), (1855, 32944), (1988, 30740), (2030, 30104), (2059, 29680), (2120, 28826), (2320, 26341), (2485, 24592), (2840, 21518), (2968, 20590), (3074, 19880), (3248, 18815), (3710, 16472), (3763, 16240), (3976, 15370), (4060, 15052), (4118, 14840), (4240, 14413), (4970, 12296), (5680, 10759), (5936, 10295), (6148, 9940), (7420, 8236), (7526, 8120), (7685, 7952)]