400627080

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:493

約数の個数: 256

約数和(自身を含む): 1539648000

約数和(自身を除く): 1139020920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 197, 210, 216, 252, 269, 270, 280, 315, 360, 378, 394, 420, 504, 538, 540, 591, 630, 756, 788, 807, 840, 945, 985, 1076, 1080, 1182, 1260, 1345, 1379, 1512, 1576, 1614, 1773, 1883, 1890, 1970, 2152, 2364, 2421, 2520, 2690, 2758, 2955, 3228, 3546, 3766, 3780, 3940, 4035, 4137, 4728, 4842, 5319, 5380, 5516, 5649, 5910, 6456, 6895, 7092, 7263, 7532, 7560, 7880, 8070, 8274, 8865, 9415, 9684, 10638, 10760, 11032, 11298, 11820, 12105, 12411, 13790, 14184, 14526, 15064, 16140, 16548, 16947, 17730, 18830, 19368, 20685, 21276, 22596, 23640, 24210, 24822, 26595, 27580, 28245, 29052, 32280, 33096, 33894, 35460, 36315, 37233, 37660, 41370, 42552, 45192, 48420, 49644, 50841, 52993, 53190, 55160, 56490, 58104, 62055, 67788, 70920, 72630, 74466, 75320, 82740, 84735, 96840, 99288, 101682, 105986, 106380, 112980, 124110, 135576, 145260, 148932, 158979, 165480, 169470, 186165, 203364, 211972, 212760, 225960, 248220, 254205, 264965, 290520, 297864, 317958, 338940, 370951, 372330, 406728, 423944, 476937, 496440, 508410, 529930, 635916, 677880, 741902, 744660, 794895, 953874, 1016820, 1059860, 1112853, 1271832, 1430811, 1483804, 1489320, 1589790, 1854755, 1907748, 2033640, 2119720, 2225706, 2384685, 2861622, 2967608, 3179580, 3338559, 3709510, 3815496, 4451412, 4769370, 5564265, 5723244, 6359160, 6677118, 7154055, 7419020, 8902824, 9538740, 10015677, 11128530, 11446488, 13354236, 14308110, 14838040, 16692795, 19077480, 20031354, 22257060, 26708472, 28616220, 33385590, 40062708, 44514120, 50078385, 57232440, 66771180, 80125416, 100156770, 133542360, 200313540, 400627080]

約数ペア:

[(1, 400627080), (2, 200313540), (3, 133542360), (4, 100156770), (5, 80125416), (6, 66771180), (7, 57232440), (8, 50078385), (9, 44514120), (10, 40062708), (12, 33385590), (14, 28616220), (15, 26708472), (18, 22257060), (20, 20031354), (21, 19077480), (24, 16692795), (27, 14838040), (28, 14308110), (30, 13354236), (35, 11446488), (36, 11128530), (40, 10015677), (42, 9538740), (45, 8902824), (54, 7419020), (56, 7154055), (60, 6677118), (63, 6359160), (70, 5723244), (72, 5564265), (84, 4769370), (90, 4451412), (105, 3815496), (108, 3709510), (120, 3338559), (126, 3179580), (135, 2967608), (140, 2861622), (168, 2384685), (180, 2225706), (189, 2119720), (197, 2033640), (210, 1907748), (216, 1854755), (252, 1589790), (269, 1489320), (270, 1483804), (280, 1430811), (315, 1271832), (360, 1112853), (378, 1059860), (394, 1016820), (420, 953874), (504, 794895), (538, 744660), (540, 741902), (591, 677880), (630, 635916), (756, 529930), (788, 508410), (807, 496440), (840, 476937), (945, 423944), (985, 406728), (1076, 372330), (1080, 370951), (1182, 338940), (1260, 317958), (1345, 297864), (1379, 290520), (1512, 264965), (1576, 254205), (1614, 248220), (1773, 225960), (1883, 212760), (1890, 211972), (1970, 203364), (2152, 186165), (2364, 169470), (2421, 165480), (2520, 158979), (2690, 148932), (2758, 145260), (2955, 135576), (3228, 124110), (3546, 112980), (3766, 106380), (3780, 105986), (3940, 101682), (4035, 99288), (4137, 96840), (4728, 84735), (4842, 82740), (5319, 75320), (5380, 74466), (5516, 72630), (5649, 70920), (5910, 67788), (6456, 62055), (6895, 58104), (7092, 56490), (7263, 55160), (7532, 53190), (7560, 52993), (7880, 50841), (8070, 49644), (8274, 48420), (8865, 45192), (9415, 42552), (9684, 41370), (10638, 37660), (10760, 37233), (11032, 36315), (11298, 35460), (11820, 33894), (12105, 33096), (12411, 32280), (13790, 29052), (14184, 28245), (14526, 27580), (15064, 26595), (16140, 24822), (16548, 24210), (16947, 23640), (17730, 22596), (18830, 21276), (19368, 20685)]