161505960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 288

約数和(自身を含む): 622248480

約数和(自身を除く): 460742520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 121, 132, 140, 147, 154, 165, 168, 196, 210, 220, 227, 231, 242, 245, 264, 280, 294, 308, 330, 363, 385, 392, 420, 440, 454, 462, 484, 490, 539, 588, 605, 616, 660, 681, 726, 735, 770, 840, 847, 908, 924, 968, 980, 1078, 1135, 1155, 1176, 1210, 1320, 1362, 1452, 1470, 1540, 1589, 1617, 1694, 1815, 1816, 1848, 1960, 2156, 2270, 2310, 2420, 2497, 2541, 2695, 2724, 2904, 2940, 3080, 3178, 3234, 3388, 3405, 3630, 4235, 4312, 4540, 4620, 4767, 4840, 4994, 5082, 5390, 5448, 5880, 5929, 6356, 6468, 6776, 6810, 7260, 7491, 7945, 8085, 8470, 9080, 9240, 9534, 9988, 10164, 10780, 11123, 11858, 12485, 12705, 12712, 12936, 13620, 14520, 14982, 15890, 16170, 16940, 17479, 17787, 19068, 19976, 20328, 21560, 22246, 23716, 23835, 24970, 25410, 27240, 27467, 29645, 29964, 31780, 32340, 33369, 33880, 34958, 35574, 37455, 38136, 44492, 47432, 47670, 49940, 50820, 52437, 54934, 55615, 59290, 59928, 63560, 64680, 66738, 69916, 71148, 74910, 82401, 87395, 88935, 88984, 95340, 99880, 101640, 104874, 109868, 111230, 118580, 122353, 133476, 137335, 139832, 142296, 149820, 164802, 166845, 174790, 177870, 190680, 192269, 209748, 219736, 222460, 237160, 244706, 262185, 266952, 274670, 299640, 329604, 333690, 349580, 355740, 367059, 384538, 412005, 419496, 444920, 489412, 524370, 549340, 576807, 611765, 659208, 667380, 699160, 711480, 734118, 769076, 824010, 961345, 978824, 1048740, 1098680, 1153614, 1223530, 1334760, 1345883, 1468236, 1538152, 1648020, 1835295, 1922690, 2097480, 2307228, 2447060, 2691766, 2884035, 2936472, 3296040, 3670590, 3845380, 4037649, 4614456, 4894120, 5383532, 5768070, 6729415, 7341180, 7690760, 8075298, 10767064, 11536140, 13458830, 14682360, 16150596, 20188245, 23072280, 26917660, 32301192, 40376490, 53835320, 80752980, 161505960]

約数ペア:

[(1, 161505960), (2, 80752980), (3, 53835320), (4, 40376490), (5, 32301192), (6, 26917660), (7, 23072280), (8, 20188245), (10, 16150596), (11, 14682360), (12, 13458830), (14, 11536140), (15, 10767064), (20, 8075298), (21, 7690760), (22, 7341180), (24, 6729415), (28, 5768070), (30, 5383532), (33, 4894120), (35, 4614456), (40, 4037649), (42, 3845380), (44, 3670590), (49, 3296040), (55, 2936472), (56, 2884035), (60, 2691766), (66, 2447060), (70, 2307228), (77, 2097480), (84, 1922690), (88, 1835295), (98, 1648020), (105, 1538152), (110, 1468236), (120, 1345883), (121, 1334760), (132, 1223530), (140, 1153614), (147, 1098680), (154, 1048740), (165, 978824), (168, 961345), (196, 824010), (210, 769076), (220, 734118), (227, 711480), (231, 699160), (242, 667380), (245, 659208), (264, 611765), (280, 576807), (294, 549340), (308, 524370), (330, 489412), (363, 444920), (385, 419496), (392, 412005), (420, 384538), (440, 367059), (454, 355740), (462, 349580), (484, 333690), (490, 329604), (539, 299640), (588, 274670), (605, 266952), (616, 262185), (660, 244706), (681, 237160), (726, 222460), (735, 219736), (770, 209748), (840, 192269), (847, 190680), (908, 177870), (924, 174790), (968, 166845), (980, 164802), (1078, 149820), (1135, 142296), (1155, 139832), (1176, 137335), (1210, 133476), (1320, 122353), (1362, 118580), (1452, 111230), (1470, 109868), (1540, 104874), (1589, 101640), (1617, 99880), (1694, 95340), (1815, 88984), (1816, 88935), (1848, 87395), (1960, 82401), (2156, 74910), (2270, 71148), (2310, 69916), (2420, 66738), (2497, 64680), (2541, 63560), (2695, 59928), (2724, 59290), (2904, 55615), (2940, 54934), (3080, 52437), (3178, 50820), (3234, 49940), (3388, 47670), (3405, 47432), (3630, 44492), (4235, 38136), (4312, 37455), (4540, 35574), (4620, 34958), (4767, 33880), (4840, 33369), (4994, 32340), (5082, 31780), (5390, 29964), (5448, 29645), (5880, 27467), (5929, 27240), (6356, 25410), (6468, 24970), (6776, 23835), (6810, 23716), (7260, 22246), (7491, 21560), (7945, 20328), (8085, 19976), (8470, 19068), (9080, 17787), (9240, 17479), (9534, 16940), (9988, 16170), (10164, 15890), (10780, 14982), (11123, 14520), (11858, 13620), (12485, 12936), (12705, 12712)]