78209520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:723

約数の個数: 160

約数和(自身を含む): 265965120

約数和(自身を除く): 187755600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 29, 30, 34, 40, 48, 51, 58, 60, 68, 80, 85, 87, 102, 116, 120, 136, 145, 170, 174, 204, 232, 240, 255, 272, 290, 340, 348, 408, 435, 464, 493, 510, 580, 661, 680, 696, 816, 870, 986, 1020, 1160, 1322, 1360, 1392, 1479, 1740, 1972, 1983, 2040, 2320, 2465, 2644, 2958, 3305, 3480, 3944, 3966, 4080, 4930, 5288, 5916, 6610, 6960, 7395, 7888, 7932, 9860, 9915, 10576, 11237, 11832, 13220, 14790, 15864, 19169, 19720, 19830, 22474, 23664, 26440, 29580, 31728, 33711, 38338, 39440, 39660, 44948, 52880, 56185, 57507, 59160, 67422, 76676, 79320, 89896, 95845, 112370, 115014, 118320, 134844, 153352, 158640, 168555, 179792, 191690, 224740, 230028, 269688, 287535, 306704, 325873, 337110, 383380, 449480, 460056, 539376, 575070, 651746, 674220, 766760, 898960, 920112, 977619, 1150140, 1303492, 1348440, 1533520, 1629365, 1955238, 2300280, 2606984, 2696880, 3258730, 3910476, 4600560, 4888095, 5213968, 6517460, 7820952, 9776190, 13034920, 15641904, 19552380, 26069840, 39104760, 78209520]

約数ペア:

[(1, 78209520), (2, 39104760), (3, 26069840), (4, 19552380), (5, 15641904), (6, 13034920), (8, 9776190), (10, 7820952), (12, 6517460), (15, 5213968), (16, 4888095), (17, 4600560), (20, 3910476), (24, 3258730), (29, 2696880), (30, 2606984), (34, 2300280), (40, 1955238), (48, 1629365), (51, 1533520), (58, 1348440), (60, 1303492), (68, 1150140), (80, 977619), (85, 920112), (87, 898960), (102, 766760), (116, 674220), (120, 651746), (136, 575070), (145, 539376), (170, 460056), (174, 449480), (204, 383380), (232, 337110), (240, 325873), (255, 306704), (272, 287535), (290, 269688), (340, 230028), (348, 224740), (408, 191690), (435, 179792), (464, 168555), (493, 158640), (510, 153352), (580, 134844), (661, 118320), (680, 115014), (696, 112370), (816, 95845), (870, 89896), (986, 79320), (1020, 76676), (1160, 67422), (1322, 59160), (1360, 57507), (1392, 56185), (1479, 52880), (1740, 44948), (1972, 39660), (1983, 39440), (2040, 38338), (2320, 33711), (2465, 31728), (2644, 29580), (2958, 26440), (3305, 23664), (3480, 22474), (3944, 19830), (3966, 19720), (4080, 19169), (4930, 15864), (5288, 14790), (5916, 13220), (6610, 11832), (6960, 11237), (7395, 10576), (7888, 9915), (7932, 9860)]