72170560

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 224

約数和(自身を含む): 223845120

約数和(自身を除く): 151674560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 32, 35, 40, 44, 55, 56, 58, 64, 70, 77, 80, 88, 101, 110, 112, 116, 140, 145, 154, 160, 176, 202, 203, 220, 224, 232, 280, 290, 308, 319, 320, 352, 385, 404, 406, 440, 448, 464, 505, 560, 580, 616, 638, 704, 707, 770, 808, 812, 880, 928, 1010, 1015, 1111, 1120, 1160, 1232, 1276, 1414, 1540, 1595, 1616, 1624, 1760, 1856, 2020, 2030, 2222, 2233, 2240, 2320, 2464, 2552, 2828, 2929, 3080, 3190, 3232, 3248, 3520, 3535, 4040, 4060, 4444, 4466, 4640, 4928, 5104, 5555, 5656, 5858, 6160, 6380, 6464, 6496, 7070, 7777, 8080, 8120, 8888, 8932, 9280, 10208, 11110, 11165, 11312, 11716, 12320, 12760, 12992, 14140, 14645, 15554, 16160, 16240, 17776, 17864, 20416, 20503, 22220, 22330, 22624, 23432, 24640, 25520, 28280, 29290, 31108, 32219, 32320, 32480, 35552, 35728, 38885, 41006, 44440, 44660, 45248, 46864, 51040, 56560, 58580, 62216, 64438, 64960, 71104, 71456, 77770, 82012, 88880, 89320, 93728, 102080, 102515, 113120, 117160, 124432, 128876, 142912, 155540, 161095, 164024, 177760, 178640, 187456, 205030, 225533, 226240, 234320, 248864, 257752, 311080, 322190, 328048, 355520, 357280, 410060, 451066, 468640, 497728, 515504, 622160, 644380, 656096, 714560, 820120, 902132, 937280, 1031008, 1127665, 1244320, 1288760, 1312192, 1640240, 1804264, 2062016, 2255330, 2488640, 2577520, 3280480, 3608528, 4510660, 5155040, 6560960, 7217056, 9021320, 10310080, 14434112, 18042640, 36085280, 72170560]

約数ペア:

[(1, 72170560), (2, 36085280), (4, 18042640), (5, 14434112), (7, 10310080), (8, 9021320), (10, 7217056), (11, 6560960), (14, 5155040), (16, 4510660), (20, 3608528), (22, 3280480), (28, 2577520), (29, 2488640), (32, 2255330), (35, 2062016), (40, 1804264), (44, 1640240), (55, 1312192), (56, 1288760), (58, 1244320), (64, 1127665), (70, 1031008), (77, 937280), (80, 902132), (88, 820120), (101, 714560), (110, 656096), (112, 644380), (116, 622160), (140, 515504), (145, 497728), (154, 468640), (160, 451066), (176, 410060), (202, 357280), (203, 355520), (220, 328048), (224, 322190), (232, 311080), (280, 257752), (290, 248864), (308, 234320), (319, 226240), (320, 225533), (352, 205030), (385, 187456), (404, 178640), (406, 177760), (440, 164024), (448, 161095), (464, 155540), (505, 142912), (560, 128876), (580, 124432), (616, 117160), (638, 113120), (704, 102515), (707, 102080), (770, 93728), (808, 89320), (812, 88880), (880, 82012), (928, 77770), (1010, 71456), (1015, 71104), (1111, 64960), (1120, 64438), (1160, 62216), (1232, 58580), (1276, 56560), (1414, 51040), (1540, 46864), (1595, 45248), (1616, 44660), (1624, 44440), (1760, 41006), (1856, 38885), (2020, 35728), (2030, 35552), (2222, 32480), (2233, 32320), (2240, 32219), (2320, 31108), (2464, 29290), (2552, 28280), (2828, 25520), (2929, 24640), (3080, 23432), (3190, 22624), (3232, 22330), (3248, 22220), (3520, 20503), (3535, 20416), (4040, 17864), (4060, 17776), (4444, 16240), (4466, 16160), (4640, 15554), (4928, 14645), (5104, 14140), (5555, 12992), (5656, 12760), (5858, 12320), (6160, 11716), (6380, 11312), (6464, 11165), (6496, 11110), (7070, 10208), (7777, 9280), (8080, 8932), (8120, 8888)]