87231760

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 274089600

約数和(自身を除く): 186857840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 80, 85, 88, 98, 110, 112, 119, 136, 140, 154, 170, 176, 187, 196, 220, 238, 245, 272, 280, 289, 308, 340, 343, 374, 385, 392, 440, 476, 490, 539, 560, 578, 595, 616, 680, 686, 748, 770, 784, 833, 880, 935, 952, 980, 1078, 1156, 1190, 1232, 1309, 1360, 1372, 1445, 1496, 1540, 1666, 1715, 1870, 1904, 1960, 2023, 2156, 2312, 2380, 2618, 2695, 2744, 2890, 2992, 3080, 3179, 3332, 3430, 3740, 3773, 3920, 4046, 4165, 4312, 4624, 4760, 5236, 5390, 5488, 5780, 5831, 6160, 6358, 6545, 6664, 6860, 7480, 7546, 8092, 8330, 8624, 9163, 9520, 10115, 10472, 10780, 11560, 11662, 12716, 13090, 13328, 13720, 14161, 14960, 15092, 15895, 16184, 16660, 18326, 18865, 20230, 20944, 21560, 22253, 23120, 23324, 25432, 26180, 27440, 28322, 29155, 30184, 31790, 32368, 33320, 36652, 37730, 40460, 43120, 44506, 45815, 46648, 50864, 52360, 56644, 58310, 60368, 63580, 64141, 66640, 70805, 73304, 75460, 80920, 89012, 91630, 93296, 99127, 104720, 111265, 113288, 116620, 127160, 128282, 141610, 146608, 150920, 155771, 161840, 178024, 183260, 198254, 222530, 226576, 233240, 254320, 256564, 283220, 301840, 311542, 320705, 356048, 366520, 396508, 445060, 466480, 495635, 513128, 566440, 623084, 641410, 733040, 778855, 793016, 890120, 991270, 1026256, 1090397, 1132880, 1246168, 1282820, 1557710, 1586032, 1780240, 1982540, 2180794, 2492336, 2565640, 3115420, 3965080, 4361588, 5131280, 5451985, 6230840, 7930160, 8723176, 10903970, 12461680, 17446352, 21807940, 43615880, 87231760]

約数ペア:

[(1, 87231760), (2, 43615880), (4, 21807940), (5, 17446352), (7, 12461680), (8, 10903970), (10, 8723176), (11, 7930160), (14, 6230840), (16, 5451985), (17, 5131280), (20, 4361588), (22, 3965080), (28, 3115420), (34, 2565640), (35, 2492336), (40, 2180794), (44, 1982540), (49, 1780240), (55, 1586032), (56, 1557710), (68, 1282820), (70, 1246168), (77, 1132880), (80, 1090397), (85, 1026256), (88, 991270), (98, 890120), (110, 793016), (112, 778855), (119, 733040), (136, 641410), (140, 623084), (154, 566440), (170, 513128), (176, 495635), (187, 466480), (196, 445060), (220, 396508), (238, 366520), (245, 356048), (272, 320705), (280, 311542), (289, 301840), (308, 283220), (340, 256564), (343, 254320), (374, 233240), (385, 226576), (392, 222530), (440, 198254), (476, 183260), (490, 178024), (539, 161840), (560, 155771), (578, 150920), (595, 146608), (616, 141610), (680, 128282), (686, 127160), (748, 116620), (770, 113288), (784, 111265), (833, 104720), (880, 99127), (935, 93296), (952, 91630), (980, 89012), (1078, 80920), (1156, 75460), (1190, 73304), (1232, 70805), (1309, 66640), (1360, 64141), (1372, 63580), (1445, 60368), (1496, 58310), (1540, 56644), (1666, 52360), (1715, 50864), (1870, 46648), (1904, 45815), (1960, 44506), (2023, 43120), (2156, 40460), (2312, 37730), (2380, 36652), (2618, 33320), (2695, 32368), (2744, 31790), (2890, 30184), (2992, 29155), (3080, 28322), (3179, 27440), (3332, 26180), (3430, 25432), (3740, 23324), (3773, 23120), (3920, 22253), (4046, 21560), (4165, 20944), (4312, 20230), (4624, 18865), (4760, 18326), (5236, 16660), (5390, 16184), (5488, 15895), (5780, 15092), (5831, 14960), (6160, 14161), (6358, 13720), (6545, 13328), (6664, 13090), (6860, 12716), (7480, 11662), (7546, 11560), (8092, 10780), (8330, 10472), (8624, 10115), (9163, 9520)]