161292120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1817

約数の個数: 128

約数和(自身を含む): 535610880

約数和(自身を除く): 374318760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 71, 88, 110, 120, 132, 142, 165, 213, 220, 264, 284, 330, 355, 426, 440, 568, 660, 710, 781, 852, 1065, 1320, 1420, 1562, 1704, 1721, 2130, 2343, 2840, 3124, 3442, 3905, 4260, 4686, 5163, 6248, 6884, 7810, 8520, 8605, 9372, 10326, 11715, 13768, 15620, 17210, 18744, 18931, 20652, 23430, 25815, 31240, 34420, 37862, 41304, 46860, 51630, 56793, 68840, 75724, 93720, 94655, 103260, 113586, 122191, 151448, 189310, 206520, 227172, 244382, 283965, 366573, 378620, 454344, 488764, 567930, 610955, 733146, 757240, 977528, 1135860, 1221910, 1344101, 1466292, 1832865, 2271720, 2443820, 2688202, 2932584, 3665730, 4032303, 4887640, 5376404, 6720505, 7331460, 8064606, 10752808, 13441010, 14662920, 16129212, 20161515, 26882020, 32258424, 40323030, 53764040, 80646060, 161292120]

約数ペア:

[(1, 161292120), (2, 80646060), (3, 53764040), (4, 40323030), (5, 32258424), (6, 26882020), (8, 20161515), (10, 16129212), (11, 14662920), (12, 13441010), (15, 10752808), (20, 8064606), (22, 7331460), (24, 6720505), (30, 5376404), (33, 4887640), (40, 4032303), (44, 3665730), (55, 2932584), (60, 2688202), (66, 2443820), (71, 2271720), (88, 1832865), (110, 1466292), (120, 1344101), (132, 1221910), (142, 1135860), (165, 977528), (213, 757240), (220, 733146), (264, 610955), (284, 567930), (330, 488764), (355, 454344), (426, 378620), (440, 366573), (568, 283965), (660, 244382), (710, 227172), (781, 206520), (852, 189310), (1065, 151448), (1320, 122191), (1420, 113586), (1562, 103260), (1704, 94655), (1721, 93720), (2130, 75724), (2343, 68840), (2840, 56793), (3124, 51630), (3442, 46860), (3905, 41304), (4260, 37862), (4686, 34420), (5163, 31240), (6248, 25815), (6884, 23430), (7810, 20652), (8520, 18931), (8605, 18744), (9372, 17210), (10326, 15620), (11715, 13768)]