278320770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2049

約数の個数: 192

約数和(自身を含む): 943488000

約数和(自身を除く): 665167230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 26, 30, 34, 35, 39, 42, 45, 51, 63, 65, 70, 78, 85, 90, 91, 102, 105, 117, 119, 126, 130, 153, 170, 182, 195, 210, 221, 234, 238, 255, 273, 306, 315, 357, 390, 442, 455, 510, 546, 585, 595, 630, 663, 714, 765, 819, 910, 1071, 1105, 1170, 1190, 1326, 1365, 1530, 1547, 1638, 1785, 1989, 1999, 2142, 2210, 2730, 3094, 3315, 3570, 3978, 3998, 4095, 4641, 5355, 5997, 6630, 7735, 8190, 9282, 9945, 9995, 10710, 11994, 13923, 13993, 15470, 17991, 19890, 19990, 23205, 25987, 27846, 27986, 29985, 33983, 35982, 41979, 46410, 51974, 59970, 67966, 69615, 69965, 77961, 83958, 89955, 101949, 125937, 129935, 139230, 139930, 155922, 169915, 179910, 181909, 203898, 209895, 233883, 237881, 251874, 259870, 305847, 339830, 363818, 389805, 419790, 441779, 467766, 475762, 509745, 545727, 611694, 629685, 713643, 779610, 883558, 909545, 1019490, 1091454, 1169415, 1189405, 1259370, 1325337, 1427286, 1529235, 1637181, 1819090, 2140929, 2208895, 2338830, 2378810, 2650674, 2728635, 3058470, 3092453, 3274362, 3568215, 3976011, 4281858, 4417790, 5457270, 6184906, 6626685, 7136430, 7952022, 8185905, 9277359, 10704645, 13253370, 15462265, 16371810, 18554718, 19880055, 21409290, 27832077, 30924530, 39760110, 46386795, 55664154, 92773590, 139160385, 278320770]

約数ペア:

[(1, 278320770), (2, 139160385), (3, 92773590), (5, 55664154), (6, 46386795), (7, 39760110), (9, 30924530), (10, 27832077), (13, 21409290), (14, 19880055), (15, 18554718), (17, 16371810), (18, 15462265), (21, 13253370), (26, 10704645), (30, 9277359), (34, 8185905), (35, 7952022), (39, 7136430), (42, 6626685), (45, 6184906), (51, 5457270), (63, 4417790), (65, 4281858), (70, 3976011), (78, 3568215), (85, 3274362), (90, 3092453), (91, 3058470), (102, 2728635), (105, 2650674), (117, 2378810), (119, 2338830), (126, 2208895), (130, 2140929), (153, 1819090), (170, 1637181), (182, 1529235), (195, 1427286), (210, 1325337), (221, 1259370), (234, 1189405), (238, 1169415), (255, 1091454), (273, 1019490), (306, 909545), (315, 883558), (357, 779610), (390, 713643), (442, 629685), (455, 611694), (510, 545727), (546, 509745), (585, 475762), (595, 467766), (630, 441779), (663, 419790), (714, 389805), (765, 363818), (819, 339830), (910, 305847), (1071, 259870), (1105, 251874), (1170, 237881), (1190, 233883), (1326, 209895), (1365, 203898), (1530, 181909), (1547, 179910), (1638, 169915), (1785, 155922), (1989, 139930), (1999, 139230), (2142, 129935), (2210, 125937), (2730, 101949), (3094, 89955), (3315, 83958), (3570, 77961), (3978, 69965), (3998, 69615), (4095, 67966), (4641, 59970), (5355, 51974), (5997, 46410), (6630, 41979), (7735, 35982), (8190, 33983), (9282, 29985), (9945, 27986), (9995, 27846), (10710, 25987), (11994, 23205), (13923, 19990), (13993, 19890), (15470, 17991)]