208657920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 160

約数和(自身を含む): 676162080

約数和(自身を除く): 467504160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 256, 269, 303, 320, 384, 404, 480, 505, 512, 538, 606, 640, 768, 807, 808, 960, 1010, 1076, 1212, 1280, 1345, 1515, 1536, 1614, 1616, 1920, 2020, 2152, 2424, 2560, 2690, 3030, 3228, 3232, 3840, 4035, 4040, 4304, 4848, 5380, 6060, 6456, 6464, 7680, 8070, 8080, 8608, 9696, 10760, 12120, 12912, 12928, 16140, 16160, 17216, 19392, 21520, 24240, 25824, 25856, 27169, 32280, 32320, 34432, 38784, 43040, 48480, 51648, 51712, 54338, 64560, 64640, 68864, 77568, 81507, 86080, 96960, 103296, 108676, 129120, 129280, 135845, 137728, 155136, 163014, 172160, 193920, 206592, 217352, 258240, 258560, 271690, 326028, 344320, 387840, 407535, 413184, 434704, 516480, 543380, 652056, 688640, 775680, 815070, 869408, 1032960, 1086760, 1304112, 1630140, 1738816, 2065920, 2173520, 2608224, 3260280, 3477632, 4347040, 5216448, 6520560, 6955264, 8694080, 10432896, 13041120, 13910528, 17388160, 20865792, 26082240, 34776320, 41731584, 52164480, 69552640, 104328960, 208657920]

約数ペア:

[(1, 208657920), (2, 104328960), (3, 69552640), (4, 52164480), (5, 41731584), (6, 34776320), (8, 26082240), (10, 20865792), (12, 17388160), (15, 13910528), (16, 13041120), (20, 10432896), (24, 8694080), (30, 6955264), (32, 6520560), (40, 5216448), (48, 4347040), (60, 3477632), (64, 3260280), (80, 2608224), (96, 2173520), (101, 2065920), (120, 1738816), (128, 1630140), (160, 1304112), (192, 1086760), (202, 1032960), (240, 869408), (256, 815070), (269, 775680), (303, 688640), (320, 652056), (384, 543380), (404, 516480), (480, 434704), (505, 413184), (512, 407535), (538, 387840), (606, 344320), (640, 326028), (768, 271690), (807, 258560), (808, 258240), (960, 217352), (1010, 206592), (1076, 193920), (1212, 172160), (1280, 163014), (1345, 155136), (1515, 137728), (1536, 135845), (1614, 129280), (1616, 129120), (1920, 108676), (2020, 103296), (2152, 96960), (2424, 86080), (2560, 81507), (2690, 77568), (3030, 68864), (3228, 64640), (3232, 64560), (3840, 54338), (4035, 51712), (4040, 51648), (4304, 48480), (4848, 43040), (5380, 38784), (6060, 34432), (6456, 32320), (6464, 32280), (7680, 27169), (8070, 25856), (8080, 25824), (8608, 24240), (9696, 21520), (10760, 19392), (12120, 17216), (12912, 16160), (12928, 16140)]