638489520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10193}}^1$

素因数の和:10244

約数の個数: 160

約数和(自身を含む): 2275300800

約数和(自身を除く): 1636811280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2610, 3132, 3480, 3915, 4176, 5220, 6264, 6960, 7830, 10193, 10440, 12528, 15660, 20386, 20880, 30579, 31320, 40772, 50965, 61158, 62640, 81544, 91737, 101930, 122316, 152895, 163088, 183474, 203860, 244632, 275211, 295597, 305790, 366948, 407720, 458685, 489264, 550422, 591194, 611580, 733896, 815440, 886791, 917370, 1100844, 1182388, 1223160, 1376055, 1467792, 1477985, 1773582, 1834740, 2201688, 2364776, 2446320, 2660373, 2752110, 2955970, 3547164, 3669480, 4403376, 4433955, 4729552, 5320746, 5504220, 5911940, 7094328, 7338960, 7981119, 8867910, 10641492, 11008440, 11823880, 13301865, 14188656, 15962238, 17735820, 21282984, 22016880, 23647760, 26603730, 31924476, 35471640, 39905595, 42565968, 53207460, 63848952, 70943280, 79811190, 106414920, 127697904, 159622380, 212829840, 319244760, 638489520]

約数ペア:

[(1, 638489520), (2, 319244760), (3, 212829840), (4, 159622380), (5, 127697904), (6, 106414920), (8, 79811190), (9, 70943280), (10, 63848952), (12, 53207460), (15, 42565968), (16, 39905595), (18, 35471640), (20, 31924476), (24, 26603730), (27, 23647760), (29, 22016880), (30, 21282984), (36, 17735820), (40, 15962238), (45, 14188656), (48, 13301865), (54, 11823880), (58, 11008440), (60, 10641492), (72, 8867910), (80, 7981119), (87, 7338960), (90, 7094328), (108, 5911940), (116, 5504220), (120, 5320746), (135, 4729552), (144, 4433955), (145, 4403376), (174, 3669480), (180, 3547164), (216, 2955970), (232, 2752110), (240, 2660373), (261, 2446320), (270, 2364776), (290, 2201688), (348, 1834740), (360, 1773582), (432, 1477985), (435, 1467792), (464, 1376055), (522, 1223160), (540, 1182388), (580, 1100844), (696, 917370), (720, 886791), (783, 815440), (870, 733896), (1044, 611580), (1080, 591194), (1160, 550422), (1305, 489264), (1392, 458685), (1566, 407720), (1740, 366948), (2088, 305790), (2160, 295597), (2320, 275211), (2610, 244632), (3132, 203860), (3480, 183474), (3915, 163088), (4176, 152895), (5220, 122316), (6264, 101930), (6960, 91737), (7830, 81544), (10193, 62640), (10440, 61158), (12528, 50965), (15660, 40772), (20386, 31320), (20880, 30579)]