28399680

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 224

約数和(自身を含む): 106070400

約数和(自身を除く): 77670720

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, 135, 144, 152, 160, 171, 173, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 342, 346, 360, 380, 432, 456, 480, 513, 519, 540, 570, 576, 608, 684, 692, 720, 760, 855, 864, 865, 912, 960, 1026, 1038, 1080, 1140, 1216, 1368, 1384, 1440, 1520, 1557, 1710, 1728, 1730, 1824, 2052, 2076, 2160, 2280, 2565, 2595, 2736, 2768, 2880, 3040, 3114, 3287, 3420, 3460, 3648, 4104, 4152, 4320, 4560, 4671, 5130, 5190, 5472, 5536, 6080, 6228, 6574, 6840, 6920, 7785, 8208, 8304, 8640, 9120, 9342, 9861, 10260, 10380, 10944, 11072, 12456, 13148, 13680, 13840, 15570, 16416, 16435, 16608, 18240, 18684, 19722, 20520, 20760, 23355, 24912, 26296, 27360, 27680, 29583, 31140, 32832, 32870, 33216, 37368, 39444, 41040, 41520, 46710, 49305, 49824, 52592, 54720, 55360, 59166, 62280, 65740, 74736, 78888, 82080, 83040, 88749, 93420, 98610, 99648, 105184, 118332, 124560, 131480, 147915, 149472, 157776, 164160, 166080, 177498, 186840, 197220, 210368, 236664, 249120, 262960, 295830, 298944, 315552, 354996, 373680, 394440, 443745, 473328, 498240, 525920, 591660, 631104, 709992, 747360, 788880, 887490, 946656, 1051840, 1183320, 1419984, 1494720, 1577760, 1774980, 1893312, 2366640, 2839968, 3155520, 3549960, 4733280, 5679936, 7099920, 9466560, 14199840, 28399680]

約数ペア:

[(1, 28399680), (2, 14199840), (3, 9466560), (4, 7099920), (5, 5679936), (6, 4733280), (8, 3549960), (9, 3155520), (10, 2839968), (12, 2366640), (15, 1893312), (16, 1774980), (18, 1577760), (19, 1494720), (20, 1419984), (24, 1183320), (27, 1051840), (30, 946656), (32, 887490), (36, 788880), (38, 747360), (40, 709992), (45, 631104), (48, 591660), (54, 525920), (57, 498240), (60, 473328), (64, 443745), (72, 394440), (76, 373680), (80, 354996), (90, 315552), (95, 298944), (96, 295830), (108, 262960), (114, 249120), (120, 236664), (135, 210368), (144, 197220), (152, 186840), (160, 177498), (171, 166080), (173, 164160), (180, 157776), (190, 149472), (192, 147915), (216, 131480), (228, 124560), (240, 118332), (270, 105184), (285, 99648), (288, 98610), (304, 93420), (320, 88749), (342, 83040), (346, 82080), (360, 78888), (380, 74736), (432, 65740), (456, 62280), (480, 59166), (513, 55360), (519, 54720), (540, 52592), (570, 49824), (576, 49305), (608, 46710), (684, 41520), (692, 41040), (720, 39444), (760, 37368), (855, 33216), (864, 32870), (865, 32832), (912, 31140), (960, 29583), (1026, 27680), (1038, 27360), (1080, 26296), (1140, 24912), (1216, 23355), (1368, 20760), (1384, 20520), (1440, 19722), (1520, 18684), (1557, 18240), (1710, 16608), (1728, 16435), (1730, 16416), (1824, 15570), (2052, 13840), (2076, 13680), (2160, 13148), (2280, 12456), (2565, 11072), (2595, 10944), (2736, 10380), (2768, 10260), (2880, 9861), (3040, 9342), (3114, 9120), (3287, 8640), (3420, 8304), (3460, 8208), (3648, 7785), (4104, 6920), (4152, 6840), (4320, 6574), (4560, 6228), (4671, 6080), (5130, 5536), (5190, 5472)]