68551920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 200

約数和(自身を含む): 243064800

約数和(自身を除く): 174512880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 81, 90, 108, 120, 135, 142, 144, 149, 162, 180, 213, 216, 240, 270, 284, 298, 324, 355, 360, 405, 426, 432, 447, 540, 568, 596, 639, 648, 710, 720, 745, 810, 852, 894, 1065, 1080, 1136, 1192, 1278, 1296, 1341, 1420, 1490, 1620, 1704, 1788, 1917, 2130, 2160, 2235, 2384, 2556, 2682, 2840, 2980, 3195, 3240, 3408, 3576, 3834, 4023, 4260, 4470, 5112, 5364, 5680, 5751, 5960, 6390, 6480, 6705, 7152, 7668, 8046, 8520, 8940, 9585, 10224, 10579, 10728, 11502, 11920, 12069, 12780, 13410, 15336, 16092, 17040, 17880, 19170, 20115, 21158, 21456, 23004, 24138, 25560, 26820, 28755, 30672, 31737, 32184, 35760, 38340, 40230, 42316, 46008, 48276, 51120, 52895, 53640, 57510, 60345, 63474, 64368, 76680, 80460, 84632, 92016, 95211, 96552, 105790, 107280, 115020, 120690, 126948, 153360, 158685, 160920, 169264, 190422, 193104, 211580, 230040, 241380, 253896, 285633, 317370, 321840, 380844, 423160, 460080, 476055, 482760, 507792, 571266, 634740, 761688, 846320, 856899, 952110, 965520, 1142532, 1269480, 1428165, 1523376, 1713798, 1904220, 2285064, 2538960, 2856330, 3427596, 3808440, 4284495, 4570128, 5712660, 6855192, 7616880, 8568990, 11425320, 13710384, 17137980, 22850640, 34275960, 68551920]

約数ペア:

[(1, 68551920), (2, 34275960), (3, 22850640), (4, 17137980), (5, 13710384), (6, 11425320), (8, 8568990), (9, 7616880), (10, 6855192), (12, 5712660), (15, 4570128), (16, 4284495), (18, 3808440), (20, 3427596), (24, 2856330), (27, 2538960), (30, 2285064), (36, 1904220), (40, 1713798), (45, 1523376), (48, 1428165), (54, 1269480), (60, 1142532), (71, 965520), (72, 952110), (80, 856899), (81, 846320), (90, 761688), (108, 634740), (120, 571266), (135, 507792), (142, 482760), (144, 476055), (149, 460080), (162, 423160), (180, 380844), (213, 321840), (216, 317370), (240, 285633), (270, 253896), (284, 241380), (298, 230040), (324, 211580), (355, 193104), (360, 190422), (405, 169264), (426, 160920), (432, 158685), (447, 153360), (540, 126948), (568, 120690), (596, 115020), (639, 107280), (648, 105790), (710, 96552), (720, 95211), (745, 92016), (810, 84632), (852, 80460), (894, 76680), (1065, 64368), (1080, 63474), (1136, 60345), (1192, 57510), (1278, 53640), (1296, 52895), (1341, 51120), (1420, 48276), (1490, 46008), (1620, 42316), (1704, 40230), (1788, 38340), (1917, 35760), (2130, 32184), (2160, 31737), (2235, 30672), (2384, 28755), (2556, 26820), (2682, 25560), (2840, 24138), (2980, 23004), (3195, 21456), (3240, 21158), (3408, 20115), (3576, 19170), (3834, 17880), (4023, 17040), (4260, 16092), (4470, 15336), (5112, 13410), (5364, 12780), (5680, 12069), (5751, 11920), (5960, 11502), (6390, 10728), (6480, 10579), (6705, 10224), (7152, 9585), (7668, 8940), (8046, 8520)]