161656440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 256

約数和(自身を含む): 566092800

約数和(自身を除く): 404436360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 41, 44, 55, 58, 60, 66, 82, 87, 88, 103, 110, 116, 120, 123, 132, 145, 164, 165, 174, 205, 206, 220, 232, 246, 264, 290, 309, 319, 328, 330, 348, 410, 412, 435, 440, 451, 492, 515, 580, 615, 618, 638, 660, 696, 820, 824, 870, 902, 957, 984, 1030, 1133, 1160, 1189, 1230, 1236, 1276, 1320, 1353, 1545, 1595, 1640, 1740, 1804, 1914, 2060, 2255, 2266, 2378, 2460, 2472, 2552, 2706, 2987, 3090, 3190, 3399, 3480, 3567, 3608, 3828, 4120, 4223, 4510, 4532, 4756, 4785, 4920, 5412, 5665, 5945, 5974, 6180, 6380, 6765, 6798, 7134, 7656, 8446, 8961, 9020, 9064, 9512, 9570, 10824, 11330, 11890, 11948, 12360, 12669, 12760, 13079, 13530, 13596, 14268, 14935, 16892, 16995, 17835, 17922, 18040, 19140, 21115, 22660, 23780, 23896, 25338, 26158, 27060, 27192, 28536, 29870, 32857, 33784, 33990, 35670, 35844, 38280, 39237, 42230, 44805, 45320, 46453, 47560, 50676, 52316, 54120, 59740, 63345, 65395, 65714, 67980, 71340, 71688, 78474, 84460, 89610, 92906, 98571, 101352, 104632, 119480, 122467, 126690, 130790, 131428, 135960, 139359, 142680, 156948, 164285, 168920, 179220, 185812, 196185, 197142, 232265, 244934, 253380, 261580, 262856, 278718, 313896, 328570, 358440, 367401, 371624, 392370, 394284, 464530, 489868, 492855, 506760, 523160, 557436, 612335, 657140, 696795, 734802, 784740, 788568, 929060, 979736, 985710, 1114872, 1224670, 1314280, 1347137, 1393590, 1469604, 1569480, 1837005, 1858120, 1971420, 2449340, 2694274, 2787180, 2939208, 3674010, 3942840, 4041411, 4898680, 5388548, 5574360, 6735685, 7348020, 8082822, 10777096, 13471370, 14696040, 16165644, 20207055, 26942740, 32331288, 40414110, 53885480, 80828220, 161656440]

約数ペア:

[(1, 161656440), (2, 80828220), (3, 53885480), (4, 40414110), (5, 32331288), (6, 26942740), (8, 20207055), (10, 16165644), (11, 14696040), (12, 13471370), (15, 10777096), (20, 8082822), (22, 7348020), (24, 6735685), (29, 5574360), (30, 5388548), (33, 4898680), (40, 4041411), (41, 3942840), (44, 3674010), (55, 2939208), (58, 2787180), (60, 2694274), (66, 2449340), (82, 1971420), (87, 1858120), (88, 1837005), (103, 1569480), (110, 1469604), (116, 1393590), (120, 1347137), (123, 1314280), (132, 1224670), (145, 1114872), (164, 985710), (165, 979736), (174, 929060), (205, 788568), (206, 784740), (220, 734802), (232, 696795), (246, 657140), (264, 612335), (290, 557436), (309, 523160), (319, 506760), (328, 492855), (330, 489868), (348, 464530), (410, 394284), (412, 392370), (435, 371624), (440, 367401), (451, 358440), (492, 328570), (515, 313896), (580, 278718), (615, 262856), (618, 261580), (638, 253380), (660, 244934), (696, 232265), (820, 197142), (824, 196185), (870, 185812), (902, 179220), (957, 168920), (984, 164285), (1030, 156948), (1133, 142680), (1160, 139359), (1189, 135960), (1230, 131428), (1236, 130790), (1276, 126690), (1320, 122467), (1353, 119480), (1545, 104632), (1595, 101352), (1640, 98571), (1740, 92906), (1804, 89610), (1914, 84460), (2060, 78474), (2255, 71688), (2266, 71340), (2378, 67980), (2460, 65714), (2472, 65395), (2552, 63345), (2706, 59740), (2987, 54120), (3090, 52316), (3190, 50676), (3399, 47560), (3480, 46453), (3567, 45320), (3608, 44805), (3828, 42230), (4120, 39237), (4223, 38280), (4510, 35844), (4532, 35670), (4756, 33990), (4785, 33784), (4920, 32857), (5412, 29870), (5665, 28536), (5945, 27192), (5974, 27060), (6180, 26158), (6380, 25338), (6765, 23896), (6798, 23780), (7134, 22660), (7656, 21115), (8446, 19140), (8961, 18040), (9020, 17922), (9064, 17835), (9512, 16995), (9570, 16892), (10824, 14935), (11330, 14268), (11890, 13596), (11948, 13530), (12360, 13079), (12669, 12760)]