78435280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 247323456

約数和(自身を除く): 168888176

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, 107, 110, 112, 119, 136, 140, 154, 170, 176, 187, 196, 214, 220, 238, 245, 272, 280, 308, 340, 374, 385, 392, 428, 440, 476, 490, 535, 539, 560, 595, 616, 680, 748, 749, 770, 784, 833, 856, 880, 935, 952, 980, 1070, 1078, 1177, 1190, 1232, 1309, 1360, 1496, 1498, 1540, 1666, 1712, 1819, 1870, 1904, 1960, 2140, 2156, 2354, 2380, 2618, 2695, 2992, 2996, 3080, 3332, 3638, 3740, 3745, 3920, 4165, 4280, 4312, 4708, 4760, 5236, 5243, 5390, 5885, 5992, 6160, 6545, 6664, 7276, 7480, 7490, 8239, 8330, 8560, 8624, 9095, 9163, 9416, 9520, 10472, 10486, 10780, 11770, 11984, 12733, 13090, 13328, 14552, 14960, 14980, 16478, 16660, 18190, 18326, 18832, 20009, 20944, 20972, 21560, 23540, 25466, 26180, 26215, 29104, 29960, 32956, 33320, 36380, 36652, 40018, 41195, 41944, 43120, 45815, 47080, 50932, 52360, 52430, 57673, 59920, 63665, 65912, 66640, 72760, 73304, 80036, 82390, 83888, 89131, 91630, 94160, 100045, 101864, 104720, 104860, 115346, 127330, 131824, 140063, 145520, 146608, 160072, 164780, 178262, 183260, 200090, 203728, 209720, 230692, 254660, 280126, 288365, 320144, 329560, 356524, 366520, 400180, 419440, 445655, 461384, 509320, 560252, 576730, 659120, 700315, 713048, 733040, 800360, 891310, 922768, 980441, 1018640, 1120504, 1153460, 1400630, 1426096, 1600720, 1782620, 1960882, 2241008, 2306920, 2801260, 3565240, 3921764, 4613840, 4902205, 5602520, 7130480, 7843528, 9804410, 11205040, 15687056, 19608820, 39217640, 78435280]

約数ペア:

[(1, 78435280), (2, 39217640), (4, 19608820), (5, 15687056), (7, 11205040), (8, 9804410), (10, 7843528), (11, 7130480), (14, 5602520), (16, 4902205), (17, 4613840), (20, 3921764), (22, 3565240), (28, 2801260), (34, 2306920), (35, 2241008), (40, 1960882), (44, 1782620), (49, 1600720), (55, 1426096), (56, 1400630), (68, 1153460), (70, 1120504), (77, 1018640), (80, 980441), (85, 922768), (88, 891310), (98, 800360), (107, 733040), (110, 713048), (112, 700315), (119, 659120), (136, 576730), (140, 560252), (154, 509320), (170, 461384), (176, 445655), (187, 419440), (196, 400180), (214, 366520), (220, 356524), (238, 329560), (245, 320144), (272, 288365), (280, 280126), (308, 254660), (340, 230692), (374, 209720), (385, 203728), (392, 200090), (428, 183260), (440, 178262), (476, 164780), (490, 160072), (535, 146608), (539, 145520), (560, 140063), (595, 131824), (616, 127330), (680, 115346), (748, 104860), (749, 104720), (770, 101864), (784, 100045), (833, 94160), (856, 91630), (880, 89131), (935, 83888), (952, 82390), (980, 80036), (1070, 73304), (1078, 72760), (1177, 66640), (1190, 65912), (1232, 63665), (1309, 59920), (1360, 57673), (1496, 52430), (1498, 52360), (1540, 50932), (1666, 47080), (1712, 45815), (1819, 43120), (1870, 41944), (1904, 41195), (1960, 40018), (2140, 36652), (2156, 36380), (2354, 33320), (2380, 32956), (2618, 29960), (2695, 29104), (2992, 26215), (2996, 26180), (3080, 25466), (3332, 23540), (3638, 21560), (3740, 20972), (3745, 20944), (3920, 20009), (4165, 18832), (4280, 18326), (4312, 18190), (4708, 16660), (4760, 16478), (5236, 14980), (5243, 14960), (5390, 14552), (5885, 13328), (5992, 13090), (6160, 12733), (6545, 11984), (6664, 11770), (7276, 10780), (7480, 10486), (7490, 10472), (8239, 9520), (8330, 9416), (8560, 9163), (8624, 9095)]