278475840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 224

約数和(自身を含む): 993404160

約数和(自身を除く): 714928320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 167, 180, 192, 193, 216, 240, 270, 288, 320, 334, 360, 386, 432, 480, 501, 540, 576, 579, 668, 720, 772, 835, 864, 960, 965, 1002, 1080, 1158, 1336, 1440, 1503, 1544, 1670, 1728, 1737, 1930, 2004, 2160, 2316, 2505, 2672, 2880, 2895, 3006, 3088, 3340, 3474, 3860, 4008, 4320, 4509, 4632, 5010, 5211, 5344, 5790, 6012, 6176, 6680, 6948, 7515, 7720, 8016, 8640, 8685, 9018, 9264, 10020, 10422, 10688, 11580, 12024, 12352, 13360, 13896, 15030, 15440, 16032, 17370, 18036, 18528, 20040, 20844, 22545, 23160, 24048, 26055, 26720, 27792, 30060, 30880, 32064, 32231, 34740, 36072, 37056, 40080, 41688, 45090, 46320, 48096, 52110, 53440, 55584, 60120, 61760, 64462, 69480, 72144, 80160, 83376, 90180, 92640, 96192, 96693, 104220, 111168, 120240, 128924, 138960, 144288, 160320, 161155, 166752, 180360, 185280, 193386, 208440, 240480, 257848, 277920, 288576, 290079, 322310, 333504, 360720, 386772, 416880, 480960, 483465, 515696, 555840, 580158, 644620, 721440, 773544, 833760, 870237, 966930, 1031392, 1160316, 1289240, 1442880, 1450395, 1547088, 1667520, 1740474, 1933860, 2062784, 2320632, 2578480, 2900790, 3094176, 3480948, 3867720, 4351185, 4641264, 5156960, 5801580, 6188352, 6961896, 7735440, 8702370, 9282528, 10313920, 11603160, 13923792, 15470880, 17404740, 18565056, 23206320, 27847584, 30941760, 34809480, 46412640, 55695168, 69618960, 92825280, 139237920, 278475840]

約数ペア:

[(1, 278475840), (2, 139237920), (3, 92825280), (4, 69618960), (5, 55695168), (6, 46412640), (8, 34809480), (9, 30941760), (10, 27847584), (12, 23206320), (15, 18565056), (16, 17404740), (18, 15470880), (20, 13923792), (24, 11603160), (27, 10313920), (30, 9282528), (32, 8702370), (36, 7735440), (40, 6961896), (45, 6188352), (48, 5801580), (54, 5156960), (60, 4641264), (64, 4351185), (72, 3867720), (80, 3480948), (90, 3094176), (96, 2900790), (108, 2578480), (120, 2320632), (135, 2062784), (144, 1933860), (160, 1740474), (167, 1667520), (180, 1547088), (192, 1450395), (193, 1442880), (216, 1289240), (240, 1160316), (270, 1031392), (288, 966930), (320, 870237), (334, 833760), (360, 773544), (386, 721440), (432, 644620), (480, 580158), (501, 555840), (540, 515696), (576, 483465), (579, 480960), (668, 416880), (720, 386772), (772, 360720), (835, 333504), (864, 322310), (960, 290079), (965, 288576), (1002, 277920), (1080, 257848), (1158, 240480), (1336, 208440), (1440, 193386), (1503, 185280), (1544, 180360), (1670, 166752), (1728, 161155), (1737, 160320), (1930, 144288), (2004, 138960), (2160, 128924), (2316, 120240), (2505, 111168), (2672, 104220), (2880, 96693), (2895, 96192), (3006, 92640), (3088, 90180), (3340, 83376), (3474, 80160), (3860, 72144), (4008, 69480), (4320, 64462), (4509, 61760), (4632, 60120), (5010, 55584), (5211, 53440), (5344, 52110), (5790, 48096), (6012, 46320), (6176, 45090), (6680, 41688), (6948, 40080), (7515, 37056), (7720, 36072), (8016, 34740), (8640, 32231), (8685, 32064), (9018, 30880), (9264, 30060), (10020, 27792), (10422, 26720), (10688, 26055), (11580, 24048), (12024, 23160), (12352, 22545), (13360, 20844), (13896, 20040), (15030, 18528), (15440, 18036), (16032, 17370)]