78938160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2515

約数の個数: 160

約数和(自身を含む): 294504960

約数和(自身を除く): 215566800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2473, 2660, 3192, 3990, 4560, 4946, 5320, 6384, 7419, 7980, 9892, 10640, 12365, 14838, 15960, 17311, 19784, 24730, 29676, 31920, 34622, 37095, 39568, 46987, 49460, 51933, 59352, 69244, 74190, 86555, 93974, 98920, 103866, 118704, 138488, 140961, 148380, 173110, 187948, 197840, 207732, 234935, 259665, 276976, 281922, 296760, 328909, 346220, 375896, 415464, 469870, 519330, 563844, 593520, 657818, 692440, 704805, 751792, 830928, 939740, 986727, 1038660, 1127688, 1315636, 1384880, 1409610, 1644545, 1879480, 1973454, 2077320, 2255376, 2631272, 2819220, 3289090, 3758960, 3946908, 4154640, 4933635, 5262544, 5638440, 6578180, 7893816, 9867270, 11276880, 13156360, 15787632, 19734540, 26312720, 39469080, 78938160]

約数ペア:

[(1, 78938160), (2, 39469080), (3, 26312720), (4, 19734540), (5, 15787632), (6, 13156360), (7, 11276880), (8, 9867270), (10, 7893816), (12, 6578180), (14, 5638440), (15, 5262544), (16, 4933635), (19, 4154640), (20, 3946908), (21, 3758960), (24, 3289090), (28, 2819220), (30, 2631272), (35, 2255376), (38, 2077320), (40, 1973454), (42, 1879480), (48, 1644545), (56, 1409610), (57, 1384880), (60, 1315636), (70, 1127688), (76, 1038660), (80, 986727), (84, 939740), (95, 830928), (105, 751792), (112, 704805), (114, 692440), (120, 657818), (133, 593520), (140, 563844), (152, 519330), (168, 469870), (190, 415464), (210, 375896), (228, 346220), (240, 328909), (266, 296760), (280, 281922), (285, 276976), (304, 259665), (336, 234935), (380, 207732), (399, 197840), (420, 187948), (456, 173110), (532, 148380), (560, 140961), (570, 138488), (665, 118704), (760, 103866), (798, 98920), (840, 93974), (912, 86555), (1064, 74190), (1140, 69244), (1330, 59352), (1520, 51933), (1596, 49460), (1680, 46987), (1995, 39568), (2128, 37095), (2280, 34622), (2473, 31920), (2660, 29676), (3192, 24730), (3990, 19784), (4560, 17311), (4946, 15960), (5320, 14838), (6384, 12365), (7419, 10640), (7980, 9892)]