78411480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1$

素因数の和:91

約数の個数: 256

約数和(自身を含む): 300672000

約数和(自身を除く): 222260520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 51, 56, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 255, 266, 280, 285, 289, 323, 340, 357, 380, 399, 408, 420, 456, 476, 510, 532, 570, 578, 595, 646, 665, 680, 714, 760, 798, 840, 867, 952, 969, 1020, 1064, 1140, 1156, 1190, 1292, 1330, 1428, 1445, 1596, 1615, 1734, 1785, 1938, 1995, 2023, 2040, 2261, 2280, 2312, 2380, 2584, 2660, 2856, 2890, 3192, 3230, 3468, 3570, 3876, 3990, 4046, 4335, 4522, 4760, 4845, 4913, 5320, 5491, 5780, 6069, 6460, 6783, 6936, 7140, 7752, 7980, 8092, 8670, 9044, 9690, 9826, 10115, 10982, 11305, 11560, 12138, 12920, 13566, 14280, 14739, 15960, 16184, 16473, 17340, 18088, 19380, 19652, 20230, 21964, 22610, 24276, 24565, 27132, 27455, 29478, 30345, 32946, 33915, 34391, 34680, 38437, 38760, 39304, 40460, 43928, 45220, 48552, 49130, 54264, 54910, 58956, 60690, 65892, 67830, 68782, 73695, 76874, 80920, 82365, 90440, 93347, 98260, 103173, 109820, 115311, 117912, 121380, 131784, 135660, 137564, 147390, 153748, 164730, 171955, 186694, 192185, 196520, 206346, 219640, 230622, 242760, 271320, 275128, 280041, 294780, 307496, 329460, 343910, 373388, 384370, 412692, 461244, 466735, 515865, 560082, 576555, 589560, 653429, 658920, 687820, 746776, 768740, 825384, 922488, 933470, 1031730, 1120164, 1153110, 1306858, 1375640, 1400205, 1537480, 1866940, 1960287, 2063460, 2240328, 2306220, 2613716, 2800410, 3267145, 3733880, 3920574, 4126920, 4612440, 5227432, 5600820, 6534290, 7841148, 9801435, 11201640, 13068580, 15682296, 19602870, 26137160, 39205740, 78411480]

約数ペア:

[(1, 78411480), (2, 39205740), (3, 26137160), (4, 19602870), (5, 15682296), (6, 13068580), (7, 11201640), (8, 9801435), (10, 7841148), (12, 6534290), (14, 5600820), (15, 5227432), (17, 4612440), (19, 4126920), (20, 3920574), (21, 3733880), (24, 3267145), (28, 2800410), (30, 2613716), (34, 2306220), (35, 2240328), (38, 2063460), (40, 1960287), (42, 1866940), (51, 1537480), (56, 1400205), (57, 1375640), (60, 1306858), (68, 1153110), (70, 1120164), (76, 1031730), (84, 933470), (85, 922488), (95, 825384), (102, 768740), (105, 746776), (114, 687820), (119, 658920), (120, 653429), (133, 589560), (136, 576555), (140, 560082), (152, 515865), (168, 466735), (170, 461244), (190, 412692), (204, 384370), (210, 373388), (228, 343910), (238, 329460), (255, 307496), (266, 294780), (280, 280041), (285, 275128), (289, 271320), (323, 242760), (340, 230622), (357, 219640), (380, 206346), (399, 196520), (408, 192185), (420, 186694), (456, 171955), (476, 164730), (510, 153748), (532, 147390), (570, 137564), (578, 135660), (595, 131784), (646, 121380), (665, 117912), (680, 115311), (714, 109820), (760, 103173), (798, 98260), (840, 93347), (867, 90440), (952, 82365), (969, 80920), (1020, 76874), (1064, 73695), (1140, 68782), (1156, 67830), (1190, 65892), (1292, 60690), (1330, 58956), (1428, 54910), (1445, 54264), (1596, 49130), (1615, 48552), (1734, 45220), (1785, 43928), (1938, 40460), (1995, 39304), (2023, 38760), (2040, 38437), (2261, 34680), (2280, 34391), (2312, 33915), (2380, 32946), (2584, 30345), (2660, 29478), (2856, 27455), (2890, 27132), (3192, 24565), (3230, 24276), (3468, 22610), (3570, 21964), (3876, 20230), (3990, 19652), (4046, 19380), (4335, 18088), (4522, 17340), (4760, 16473), (4845, 16184), (4913, 15960), (5320, 14739), (5491, 14280), (5780, 13566), (6069, 12920), (6460, 12138), (6783, 11560), (6936, 11305), (7140, 10982), (7752, 10115), (7980, 9826), (8092, 9690), (8670, 9044)]