640690830

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:800

約数の個数: 192

約数和(自身を含む): 1950048000

約数和(自身を除く): 1309357170

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 27, 30, 38, 39, 45, 54, 57, 65, 78, 90, 95, 114, 117, 130, 135, 169, 171, 190, 195, 234, 247, 270, 285, 338, 342, 351, 390, 494, 507, 513, 570, 585, 702, 739, 741, 845, 855, 1014, 1026, 1170, 1235, 1478, 1482, 1521, 1690, 1710, 1755, 2217, 2223, 2470, 2535, 2565, 3042, 3211, 3510, 3695, 3705, 4434, 4446, 4563, 5070, 5130, 6422, 6651, 6669, 7390, 7410, 7605, 9126, 9607, 9633, 11085, 11115, 13302, 13338, 14041, 15210, 16055, 19214, 19266, 19953, 22170, 22230, 22815, 28082, 28821, 28899, 32110, 33255, 33345, 39906, 42123, 45630, 48035, 48165, 57642, 57798, 66510, 66690, 70205, 84246, 86463, 86697, 96070, 96330, 99765, 124891, 126369, 140410, 144105, 144495, 172926, 173394, 182533, 199530, 210615, 249782, 252738, 259389, 288210, 288990, 365066, 374673, 379107, 421230, 432315, 433485, 518778, 547599, 624455, 631845, 749346, 758214, 864630, 866970, 912665, 1095198, 1124019, 1248910, 1263690, 1296945, 1642797, 1825330, 1873365, 1895535, 2248038, 2372929, 2593890, 2737995, 3285594, 3372057, 3746730, 3791070, 4745858, 4928391, 5475990, 5620095, 6744114, 7118787, 8213985, 9856782, 11240190, 11864645, 14237574, 16427970, 16860285, 21356361, 23729290, 24641955, 33720570, 35593935, 42712722, 49283910, 64069083, 71187870, 106781805, 128138166, 213563610, 320345415, 640690830]

約数ペア:

[(1, 640690830), (2, 320345415), (3, 213563610), (5, 128138166), (6, 106781805), (9, 71187870), (10, 64069083), (13, 49283910), (15, 42712722), (18, 35593935), (19, 33720570), (26, 24641955), (27, 23729290), (30, 21356361), (38, 16860285), (39, 16427970), (45, 14237574), (54, 11864645), (57, 11240190), (65, 9856782), (78, 8213985), (90, 7118787), (95, 6744114), (114, 5620095), (117, 5475990), (130, 4928391), (135, 4745858), (169, 3791070), (171, 3746730), (190, 3372057), (195, 3285594), (234, 2737995), (247, 2593890), (270, 2372929), (285, 2248038), (338, 1895535), (342, 1873365), (351, 1825330), (390, 1642797), (494, 1296945), (507, 1263690), (513, 1248910), (570, 1124019), (585, 1095198), (702, 912665), (739, 866970), (741, 864630), (845, 758214), (855, 749346), (1014, 631845), (1026, 624455), (1170, 547599), (1235, 518778), (1478, 433485), (1482, 432315), (1521, 421230), (1690, 379107), (1710, 374673), (1755, 365066), (2217, 288990), (2223, 288210), (2470, 259389), (2535, 252738), (2565, 249782), (3042, 210615), (3211, 199530), (3510, 182533), (3695, 173394), (3705, 172926), (4434, 144495), (4446, 144105), (4563, 140410), (5070, 126369), (5130, 124891), (6422, 99765), (6651, 96330), (6669, 96070), (7390, 86697), (7410, 86463), (7605, 84246), (9126, 70205), (9607, 66690), (9633, 66510), (11085, 57798), (11115, 57642), (13302, 48165), (13338, 48035), (14041, 45630), (15210, 42123), (16055, 39906), (19214, 33345), (19266, 33255), (19953, 32110), (22170, 28899), (22230, 28821), (22815, 28082)]