78721560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:730

約数の個数: 192

約数和(自身を含む): 285573600

約数和(自身を除く): 206852040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 45, 51, 57, 60, 68, 72, 76, 85, 90, 95, 102, 114, 120, 136, 152, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 360, 380, 408, 456, 510, 570, 612, 646, 677, 680, 684, 760, 765, 855, 969, 1020, 1140, 1224, 1292, 1354, 1368, 1530, 1615, 1710, 1938, 2031, 2040, 2280, 2584, 2708, 2907, 3060, 3230, 3385, 3420, 3876, 4062, 4845, 5416, 5814, 6093, 6120, 6460, 6770, 6840, 7752, 8124, 9690, 10155, 11509, 11628, 12186, 12863, 12920, 13540, 14535, 16248, 19380, 20310, 23018, 23256, 24372, 25726, 27080, 29070, 30465, 34527, 38589, 38760, 40620, 46036, 48744, 51452, 57545, 58140, 60930, 64315, 69054, 77178, 81240, 92072, 102904, 103581, 115090, 115767, 116280, 121860, 128630, 138108, 154356, 172635, 192945, 207162, 218671, 230180, 231534, 243720, 257260, 276216, 308712, 345270, 385890, 414324, 437342, 460360, 463068, 514520, 517905, 578835, 656013, 690540, 771780, 828648, 874684, 926136, 1035810, 1093355, 1157670, 1312026, 1381080, 1543560, 1749368, 1968039, 2071620, 2186710, 2315340, 2624052, 3280065, 3936078, 4143240, 4373420, 4630680, 5248104, 6560130, 7872156, 8746840, 9840195, 13120260, 15744312, 19680390, 26240520, 39360780, 78721560]

約数ペア:

[(1, 78721560), (2, 39360780), (3, 26240520), (4, 19680390), (5, 15744312), (6, 13120260), (8, 9840195), (9, 8746840), (10, 7872156), (12, 6560130), (15, 5248104), (17, 4630680), (18, 4373420), (19, 4143240), (20, 3936078), (24, 3280065), (30, 2624052), (34, 2315340), (36, 2186710), (38, 2071620), (40, 1968039), (45, 1749368), (51, 1543560), (57, 1381080), (60, 1312026), (68, 1157670), (72, 1093355), (76, 1035810), (85, 926136), (90, 874684), (95, 828648), (102, 771780), (114, 690540), (120, 656013), (136, 578835), (152, 517905), (153, 514520), (170, 463068), (171, 460360), (180, 437342), (190, 414324), (204, 385890), (228, 345270), (255, 308712), (285, 276216), (306, 257260), (323, 243720), (340, 231534), (342, 230180), (360, 218671), (380, 207162), (408, 192945), (456, 172635), (510, 154356), (570, 138108), (612, 128630), (646, 121860), (677, 116280), (680, 115767), (684, 115090), (760, 103581), (765, 102904), (855, 92072), (969, 81240), (1020, 77178), (1140, 69054), (1224, 64315), (1292, 60930), (1354, 58140), (1368, 57545), (1530, 51452), (1615, 48744), (1710, 46036), (1938, 40620), (2031, 38760), (2040, 38589), (2280, 34527), (2584, 30465), (2708, 29070), (2907, 27080), (3060, 25726), (3230, 24372), (3385, 23256), (3420, 23018), (3876, 20310), (4062, 19380), (4845, 16248), (5416, 14535), (5814, 13540), (6093, 12920), (6120, 12863), (6460, 12186), (6770, 11628), (6840, 11509), (7752, 10155), (8124, 9690)]