78431360

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 192

約数和(自身を含む): 227094840

約数和(自身を除く): 148663480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 61, 64, 70, 80, 82, 98, 112, 122, 128, 140, 160, 164, 196, 205, 224, 244, 245, 280, 287, 305, 320, 328, 392, 410, 427, 448, 488, 490, 560, 574, 610, 640, 656, 784, 820, 854, 896, 976, 980, 1120, 1148, 1220, 1312, 1435, 1568, 1640, 1708, 1952, 1960, 2009, 2135, 2240, 2296, 2440, 2501, 2624, 2870, 2989, 3136, 3280, 3416, 3904, 3920, 4018, 4270, 4480, 4592, 4880, 5002, 5248, 5740, 5978, 6272, 6560, 6832, 7808, 7840, 8036, 8540, 9184, 9760, 10004, 10045, 11480, 11956, 12505, 13120, 13664, 14945, 15680, 16072, 17080, 17507, 18368, 19520, 20008, 20090, 22960, 23912, 25010, 26240, 27328, 29890, 31360, 32144, 34160, 35014, 36736, 39040, 40016, 40180, 45920, 47824, 50020, 54656, 59780, 64288, 68320, 70028, 80032, 80360, 87535, 91840, 95648, 100040, 119560, 122549, 128576, 136640, 140056, 160064, 160720, 175070, 183680, 191296, 200080, 239120, 245098, 257152, 273280, 280112, 320128, 321440, 350140, 382592, 400160, 478240, 490196, 560224, 612745, 642880, 700280, 800320, 956480, 980392, 1120448, 1225490, 1285760, 1400560, 1600640, 1912960, 1960784, 2240896, 2450980, 2801120, 3921568, 4901960, 5602240, 7843136, 9803920, 11204480, 15686272, 19607840, 39215680, 78431360]

約数ペア:

[(1, 78431360), (2, 39215680), (4, 19607840), (5, 15686272), (7, 11204480), (8, 9803920), (10, 7843136), (14, 5602240), (16, 4901960), (20, 3921568), (28, 2801120), (32, 2450980), (35, 2240896), (40, 1960784), (41, 1912960), (49, 1600640), (56, 1400560), (61, 1285760), (64, 1225490), (70, 1120448), (80, 980392), (82, 956480), (98, 800320), (112, 700280), (122, 642880), (128, 612745), (140, 560224), (160, 490196), (164, 478240), (196, 400160), (205, 382592), (224, 350140), (244, 321440), (245, 320128), (280, 280112), (287, 273280), (305, 257152), (320, 245098), (328, 239120), (392, 200080), (410, 191296), (427, 183680), (448, 175070), (488, 160720), (490, 160064), (560, 140056), (574, 136640), (610, 128576), (640, 122549), (656, 119560), (784, 100040), (820, 95648), (854, 91840), (896, 87535), (976, 80360), (980, 80032), (1120, 70028), (1148, 68320), (1220, 64288), (1312, 59780), (1435, 54656), (1568, 50020), (1640, 47824), (1708, 45920), (1952, 40180), (1960, 40016), (2009, 39040), (2135, 36736), (2240, 35014), (2296, 34160), (2440, 32144), (2501, 31360), (2624, 29890), (2870, 27328), (2989, 26240), (3136, 25010), (3280, 23912), (3416, 22960), (3904, 20090), (3920, 20008), (4018, 19520), (4270, 18368), (4480, 17507), (4592, 17080), (4880, 16072), (5002, 15680), (5248, 14945), (5740, 13664), (5978, 13120), (6272, 12505), (6560, 11956), (6832, 11480), (7808, 10045), (7840, 10004), (8036, 9760), (8540, 9184)]