1313280

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 160

約数和(自身を含む): 4910400

約数和(自身を除く): 3597120

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, 256, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 480, 512, 513, 540, 570, 576, 608, 640, 684, 720, 760, 768, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1280, 1368, 1440, 1520, 1536, 1710, 1728, 1824, 1920, 2052, 2160, 2280, 2304, 2432, 2560, 2565, 2736, 2880, 3040, 3420, 3456, 3648, 3840, 4104, 4320, 4560, 4608, 4864, 5130, 5472, 5760, 6080, 6840, 6912, 7296, 7680, 8208, 8640, 9120, 9728, 10260, 10944, 11520, 12160, 13680, 13824, 14592, 16416, 17280, 18240, 20520, 21888, 23040, 24320, 27360, 29184, 32832, 34560, 36480, 41040, 43776, 48640, 54720, 65664, 69120, 72960, 82080, 87552, 109440, 131328, 145920, 164160, 218880, 262656, 328320, 437760, 656640, 1313280]

約数ペア:

[(1, 1313280), (2, 656640), (3, 437760), (4, 328320), (5, 262656), (6, 218880), (8, 164160), (9, 145920), (10, 131328), (12, 109440), (15, 87552), (16, 82080), (18, 72960), (19, 69120), (20, 65664), (24, 54720), (27, 48640), (30, 43776), (32, 41040), (36, 36480), (38, 34560), (40, 32832), (45, 29184), (48, 27360), (54, 24320), (57, 23040), (60, 21888), (64, 20520), (72, 18240), (76, 17280), (80, 16416), (90, 14592), (95, 13824), (96, 13680), (108, 12160), (114, 11520), (120, 10944), (128, 10260), (135, 9728), (144, 9120), (152, 8640), (160, 8208), (171, 7680), (180, 7296), (190, 6912), (192, 6840), (216, 6080), (228, 5760), (240, 5472), (256, 5130), (270, 4864), (285, 4608), (288, 4560), (304, 4320), (320, 4104), (342, 3840), (360, 3648), (380, 3456), (384, 3420), (432, 3040), (456, 2880), (480, 2736), (512, 2565), (513, 2560), (540, 2432), (570, 2304), (576, 2280), (608, 2160), (640, 2052), (684, 1920), (720, 1824), (760, 1728), (768, 1710), (855, 1536), (864, 1520), (912, 1440), (960, 1368), (1026, 1280), (1080, 1216), (1140, 1152)]