28673280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 105225120

約数和(自身を除く): 76551840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 131, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 262, 285, 288, 304, 320, 342, 360, 380, 384, 393, 456, 480, 524, 570, 576, 608, 640, 655, 684, 720, 760, 768, 786, 855, 912, 960, 1048, 1140, 1152, 1179, 1216, 1280, 1310, 1368, 1440, 1520, 1572, 1710, 1824, 1920, 1965, 2096, 2280, 2304, 2358, 2432, 2489, 2620, 2736, 2880, 3040, 3144, 3420, 3648, 3840, 3930, 4192, 4560, 4716, 4864, 4978, 5240, 5472, 5760, 5895, 6080, 6288, 6840, 7296, 7467, 7860, 8384, 9120, 9432, 9956, 10480, 10944, 11520, 11790, 12160, 12445, 12576, 13680, 14592, 14934, 15720, 16768, 18240, 18864, 19912, 20960, 21888, 22401, 23580, 24320, 24890, 25152, 27360, 29868, 31440, 33536, 36480, 37335, 37728, 39824, 41920, 43776, 44802, 47160, 49780, 50304, 54720, 59736, 62880, 72960, 74670, 75456, 79648, 83840, 89604, 94320, 99560, 100608, 109440, 112005, 119472, 125760, 149340, 150912, 159296, 167680, 179208, 188640, 199120, 218880, 224010, 238944, 251520, 298680, 301824, 318592, 358416, 377280, 398240, 448020, 477888, 503040, 597360, 637184, 716832, 754560, 796480, 896040, 955776, 1194720, 1433664, 1509120, 1592960, 1792080, 1911552, 2389440, 2867328, 3185920, 3584160, 4778880, 5734656, 7168320, 9557760, 14336640, 28673280]

約数ペア:

[(1, 28673280), (2, 14336640), (3, 9557760), (4, 7168320), (5, 5734656), (6, 4778880), (8, 3584160), (9, 3185920), (10, 2867328), (12, 2389440), (15, 1911552), (16, 1792080), (18, 1592960), (19, 1509120), (20, 1433664), (24, 1194720), (30, 955776), (32, 896040), (36, 796480), (38, 754560), (40, 716832), (45, 637184), (48, 597360), (57, 503040), (60, 477888), (64, 448020), (72, 398240), (76, 377280), (80, 358416), (90, 318592), (95, 301824), (96, 298680), (114, 251520), (120, 238944), (128, 224010), (131, 218880), (144, 199120), (152, 188640), (160, 179208), (171, 167680), (180, 159296), (190, 150912), (192, 149340), (228, 125760), (240, 119472), (256, 112005), (262, 109440), (285, 100608), (288, 99560), (304, 94320), (320, 89604), (342, 83840), (360, 79648), (380, 75456), (384, 74670), (393, 72960), (456, 62880), (480, 59736), (524, 54720), (570, 50304), (576, 49780), (608, 47160), (640, 44802), (655, 43776), (684, 41920), (720, 39824), (760, 37728), (768, 37335), (786, 36480), (855, 33536), (912, 31440), (960, 29868), (1048, 27360), (1140, 25152), (1152, 24890), (1179, 24320), (1216, 23580), (1280, 22401), (1310, 21888), (1368, 20960), (1440, 19912), (1520, 18864), (1572, 18240), (1710, 16768), (1824, 15720), (1920, 14934), (1965, 14592), (2096, 13680), (2280, 12576), (2304, 12445), (2358, 12160), (2432, 11790), (2489, 11520), (2620, 10944), (2736, 10480), (2880, 9956), (3040, 9432), (3144, 9120), (3420, 8384), (3648, 7860), (3840, 7467), (3930, 7296), (4192, 6840), (4560, 6288), (4716, 6080), (4864, 5895), (4978, 5760), (5240, 5472)]