138222720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 256

約数和(自身を含む): 516528000

約数和(自身を除く): 378305280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 421, 432, 456, 480, 513, 540, 570, 576, 608, 640, 684, 720, 760, 842, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1263, 1368, 1440, 1520, 1684, 1710, 1728, 1824, 1920, 2052, 2105, 2160, 2280, 2432, 2526, 2565, 2736, 2880, 3040, 3368, 3420, 3456, 3648, 3789, 4104, 4210, 4320, 4560, 5052, 5130, 5472, 5760, 6080, 6315, 6736, 6840, 7296, 7578, 7999, 8208, 8420, 8640, 9120, 10104, 10260, 10944, 11367, 12160, 12630, 13472, 13680, 15156, 15998, 16416, 16840, 17280, 18240, 18945, 20208, 20520, 21888, 22734, 23997, 25260, 26944, 27360, 30312, 31996, 32832, 33680, 36480, 37890, 39995, 40416, 41040, 45468, 47994, 50520, 53888, 54720, 56835, 60624, 63992, 65664, 67360, 71991, 75780, 79990, 80832, 82080, 90936, 95988, 101040, 109440, 113670, 119985, 121248, 127984, 134720, 143982, 151560, 159980, 161664, 164160, 181872, 191976, 202080, 215973, 227340, 239970, 242496, 255968, 269440, 287964, 303120, 319960, 328320, 359955, 363744, 383952, 404160, 431946, 454680, 479940, 484992, 511936, 575928, 606240, 639920, 719910, 727488, 767904, 808320, 863892, 909360, 959880, 1023872, 1079865, 1151856, 1212480, 1279840, 1439820, 1454976, 1535808, 1727784, 1818720, 1919760, 2159730, 2303712, 2424960, 2559680, 2879640, 3071616, 3455568, 3637440, 3839520, 4319460, 4607424, 5119360, 5759280, 6911136, 7274880, 7679040, 8638920, 9214848, 11518560, 13822272, 15358080, 17277840, 23037120, 27644544, 34555680, 46074240, 69111360, 138222720]

約数ペア:

[(1, 138222720), (2, 69111360), (3, 46074240), (4, 34555680), (5, 27644544), (6, 23037120), (8, 17277840), (9, 15358080), (10, 13822272), (12, 11518560), (15, 9214848), (16, 8638920), (18, 7679040), (19, 7274880), (20, 6911136), (24, 5759280), (27, 5119360), (30, 4607424), (32, 4319460), (36, 3839520), (38, 3637440), (40, 3455568), (45, 3071616), (48, 2879640), (54, 2559680), (57, 2424960), (60, 2303712), (64, 2159730), (72, 1919760), (76, 1818720), (80, 1727784), (90, 1535808), (95, 1454976), (96, 1439820), (108, 1279840), (114, 1212480), (120, 1151856), (128, 1079865), (135, 1023872), (144, 959880), (152, 909360), (160, 863892), (171, 808320), (180, 767904), (190, 727488), (192, 719910), (216, 639920), (228, 606240), (240, 575928), (270, 511936), (285, 484992), (288, 479940), (304, 454680), (320, 431946), (342, 404160), (360, 383952), (380, 363744), (384, 359955), (421, 328320), (432, 319960), (456, 303120), (480, 287964), (513, 269440), (540, 255968), (570, 242496), (576, 239970), (608, 227340), (640, 215973), (684, 202080), (720, 191976), (760, 181872), (842, 164160), (855, 161664), (864, 159980), (912, 151560), (960, 143982), (1026, 134720), (1080, 127984), (1140, 121248), (1152, 119985), (1216, 113670), (1263, 109440), (1368, 101040), (1440, 95988), (1520, 90936), (1684, 82080), (1710, 80832), (1728, 79990), (1824, 75780), (1920, 71991), (2052, 67360), (2105, 65664), (2160, 63992), (2280, 60624), (2432, 56835), (2526, 54720), (2565, 53888), (2736, 50520), (2880, 47994), (3040, 45468), (3368, 41040), (3420, 40416), (3456, 39995), (3648, 37890), (3789, 36480), (4104, 33680), (4210, 32832), (4320, 31996), (4560, 30312), (5052, 27360), (5130, 26944), (5472, 25260), (5760, 23997), (6080, 22734), (6315, 21888), (6736, 20520), (6840, 20208), (7296, 18945), (7578, 18240), (7999, 17280), (8208, 16840), (8420, 16416), (8640, 15998), (9120, 15156), (10104, 13680), (10260, 13472), (10944, 12630), (11367, 12160)]