68739720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 255744000

約数和(自身を除く): 187004280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 59, 60, 70, 73, 76, 84, 95, 105, 114, 118, 120, 133, 140, 146, 152, 168, 177, 190, 210, 219, 228, 236, 266, 280, 285, 292, 295, 354, 365, 380, 399, 413, 420, 438, 456, 472, 511, 532, 570, 584, 590, 665, 708, 730, 760, 798, 826, 840, 876, 885, 1022, 1064, 1095, 1121, 1140, 1180, 1239, 1330, 1387, 1416, 1460, 1533, 1596, 1652, 1752, 1770, 1995, 2044, 2065, 2190, 2242, 2280, 2360, 2478, 2555, 2660, 2774, 2920, 3066, 3192, 3304, 3363, 3540, 3990, 4088, 4130, 4161, 4307, 4380, 4484, 4956, 5110, 5320, 5548, 5605, 6132, 6195, 6726, 6935, 7080, 7665, 7847, 7980, 8260, 8322, 8614, 8760, 8968, 9709, 9912, 10220, 11096, 11210, 12264, 12390, 12921, 13452, 13870, 15330, 15694, 15960, 16520, 16644, 16815, 17228, 19418, 20440, 20805, 21535, 22420, 23541, 24780, 25842, 26904, 27740, 29127, 30149, 30660, 31388, 33288, 33630, 34456, 38836, 39235, 41610, 43070, 44840, 47082, 48545, 49560, 51684, 55480, 58254, 60298, 61320, 62776, 64605, 67260, 77672, 78470, 81833, 83220, 86140, 90447, 94164, 97090, 103368, 116508, 117705, 120596, 129210, 134520, 145635, 150745, 156940, 163666, 166440, 172280, 180894, 188328, 194180, 233016, 235410, 241192, 245499, 258420, 291270, 301490, 313880, 327332, 361788, 388360, 409165, 452235, 470820, 490998, 516840, 572831, 582540, 602980, 654664, 723576, 818330, 904470, 941640, 981996, 1145662, 1165080, 1205960, 1227495, 1636660, 1718493, 1808940, 1963992, 2291324, 2454990, 2864155, 3273320, 3436986, 3617880, 4582648, 4909980, 5728310, 6873972, 8592465, 9819960, 11456620, 13747944, 17184930, 22913240, 34369860, 68739720]

約数ペア:

[(1, 68739720), (2, 34369860), (3, 22913240), (4, 17184930), (5, 13747944), (6, 11456620), (7, 9819960), (8, 8592465), (10, 6873972), (12, 5728310), (14, 4909980), (15, 4582648), (19, 3617880), (20, 3436986), (21, 3273320), (24, 2864155), (28, 2454990), (30, 2291324), (35, 1963992), (38, 1808940), (40, 1718493), (42, 1636660), (56, 1227495), (57, 1205960), (59, 1165080), (60, 1145662), (70, 981996), (73, 941640), (76, 904470), (84, 818330), (95, 723576), (105, 654664), (114, 602980), (118, 582540), (120, 572831), (133, 516840), (140, 490998), (146, 470820), (152, 452235), (168, 409165), (177, 388360), (190, 361788), (210, 327332), (219, 313880), (228, 301490), (236, 291270), (266, 258420), (280, 245499), (285, 241192), (292, 235410), (295, 233016), (354, 194180), (365, 188328), (380, 180894), (399, 172280), (413, 166440), (420, 163666), (438, 156940), (456, 150745), (472, 145635), (511, 134520), (532, 129210), (570, 120596), (584, 117705), (590, 116508), (665, 103368), (708, 97090), (730, 94164), (760, 90447), (798, 86140), (826, 83220), (840, 81833), (876, 78470), (885, 77672), (1022, 67260), (1064, 64605), (1095, 62776), (1121, 61320), (1140, 60298), (1180, 58254), (1239, 55480), (1330, 51684), (1387, 49560), (1416, 48545), (1460, 47082), (1533, 44840), (1596, 43070), (1652, 41610), (1752, 39235), (1770, 38836), (1995, 34456), (2044, 33630), (2065, 33288), (2190, 31388), (2242, 30660), (2280, 30149), (2360, 29127), (2478, 27740), (2555, 26904), (2660, 25842), (2774, 24780), (2920, 23541), (3066, 22420), (3192, 21535), (3304, 20805), (3363, 20440), (3540, 19418), (3990, 17228), (4088, 16815), (4130, 16644), (4161, 16520), (4307, 15960), (4380, 15694), (4484, 15330), (4956, 13870), (5110, 13452), (5320, 12921), (5548, 12390), (5605, 12264), (6132, 11210), (6195, 11096), (6726, 10220), (6935, 9912), (7080, 9709), (7665, 8968), (7847, 8760), (7980, 8614), (8260, 8322)]