78271920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 200

約数和(自身を含む): 278714304

約数和(自身を除く): 200442384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 108, 120, 135, 141, 144, 162, 180, 188, 216, 235, 240, 257, 270, 282, 324, 360, 376, 405, 423, 432, 470, 514, 540, 564, 648, 705, 720, 752, 771, 810, 846, 940, 1028, 1080, 1128, 1269, 1285, 1296, 1410, 1542, 1620, 1692, 1880, 2056, 2115, 2160, 2256, 2313, 2538, 2570, 2820, 3084, 3240, 3384, 3760, 3807, 3855, 4112, 4230, 4626, 5076, 5140, 5640, 6168, 6345, 6480, 6768, 6939, 7614, 7710, 8460, 9252, 10152, 10280, 11280, 11565, 12079, 12336, 12690, 13878, 15228, 15420, 16920, 18504, 19035, 20304, 20560, 20817, 23130, 24158, 25380, 27756, 30456, 30840, 33840, 34695, 36237, 37008, 38070, 41634, 46260, 48316, 50760, 55512, 60395, 60912, 61680, 69390, 72474, 76140, 83268, 92520, 96632, 101520, 104085, 108711, 111024, 120790, 138780, 144948, 152280, 166536, 181185, 185040, 193264, 208170, 217422, 241580, 277560, 289896, 304560, 326133, 333072, 362370, 416340, 434844, 483160, 543555, 555120, 579792, 652266, 724740, 832680, 869688, 966320, 978399, 1087110, 1304532, 1449480, 1630665, 1665360, 1739376, 1956798, 2174220, 2609064, 2898960, 3261330, 3913596, 4348440, 4891995, 5218128, 6522660, 7827192, 8696880, 9783990, 13045320, 15654384, 19567980, 26090640, 39135960, 78271920]

約数ペア:

[(1, 78271920), (2, 39135960), (3, 26090640), (4, 19567980), (5, 15654384), (6, 13045320), (8, 9783990), (9, 8696880), (10, 7827192), (12, 6522660), (15, 5218128), (16, 4891995), (18, 4348440), (20, 3913596), (24, 3261330), (27, 2898960), (30, 2609064), (36, 2174220), (40, 1956798), (45, 1739376), (47, 1665360), (48, 1630665), (54, 1449480), (60, 1304532), (72, 1087110), (80, 978399), (81, 966320), (90, 869688), (94, 832680), (108, 724740), (120, 652266), (135, 579792), (141, 555120), (144, 543555), (162, 483160), (180, 434844), (188, 416340), (216, 362370), (235, 333072), (240, 326133), (257, 304560), (270, 289896), (282, 277560), (324, 241580), (360, 217422), (376, 208170), (405, 193264), (423, 185040), (432, 181185), (470, 166536), (514, 152280), (540, 144948), (564, 138780), (648, 120790), (705, 111024), (720, 108711), (752, 104085), (771, 101520), (810, 96632), (846, 92520), (940, 83268), (1028, 76140), (1080, 72474), (1128, 69390), (1269, 61680), (1285, 60912), (1296, 60395), (1410, 55512), (1542, 50760), (1620, 48316), (1692, 46260), (1880, 41634), (2056, 38070), (2115, 37008), (2160, 36237), (2256, 34695), (2313, 33840), (2538, 30840), (2570, 30456), (2820, 27756), (3084, 25380), (3240, 24158), (3384, 23130), (3760, 20817), (3807, 20560), (3855, 20304), (4112, 19035), (4230, 18504), (4626, 16920), (5076, 15420), (5140, 15228), (5640, 13878), (6168, 12690), (6345, 12336), (6480, 12079), (6768, 11565), (6939, 11280), (7614, 10280), (7710, 10152), (8460, 9252)]