279755840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{739}}^1$

素因数の和:789

約数の個数: 168

約数和(自身を含む): 825520320

約数和(自身を除く): 545764480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 169, 182, 208, 224, 260, 280, 320, 338, 364, 416, 448, 455, 520, 560, 676, 728, 739, 832, 845, 910, 1040, 1120, 1183, 1352, 1456, 1478, 1690, 1820, 2080, 2240, 2366, 2704, 2912, 2956, 3380, 3640, 3695, 4160, 4732, 5173, 5408, 5824, 5912, 5915, 6760, 7280, 7390, 9464, 9607, 10346, 10816, 11824, 11830, 13520, 14560, 14780, 18928, 19214, 20692, 23648, 23660, 25865, 27040, 29120, 29560, 37856, 38428, 41384, 47296, 47320, 48035, 51730, 54080, 59120, 67249, 75712, 76856, 82768, 94640, 96070, 103460, 118240, 124891, 134498, 153712, 165536, 189280, 192140, 206920, 236480, 249782, 268996, 307424, 331072, 336245, 378560, 384280, 413840, 499564, 537992, 614848, 624455, 672490, 768560, 827680, 874237, 999128, 1075984, 1248910, 1344980, 1537120, 1655360, 1748474, 1998256, 2151968, 2497820, 2689960, 3074240, 3496948, 3996512, 4303936, 4371185, 4995640, 5379920, 6993896, 7993024, 8742370, 9991280, 10759840, 13987792, 17484740, 19982560, 21519680, 27975584, 34969480, 39965120, 55951168, 69938960, 139877920, 279755840]

約数ペア:

[(1, 279755840), (2, 139877920), (4, 69938960), (5, 55951168), (7, 39965120), (8, 34969480), (10, 27975584), (13, 21519680), (14, 19982560), (16, 17484740), (20, 13987792), (26, 10759840), (28, 9991280), (32, 8742370), (35, 7993024), (40, 6993896), (52, 5379920), (56, 4995640), (64, 4371185), (65, 4303936), (70, 3996512), (80, 3496948), (91, 3074240), (104, 2689960), (112, 2497820), (130, 2151968), (140, 1998256), (160, 1748474), (169, 1655360), (182, 1537120), (208, 1344980), (224, 1248910), (260, 1075984), (280, 999128), (320, 874237), (338, 827680), (364, 768560), (416, 672490), (448, 624455), (455, 614848), (520, 537992), (560, 499564), (676, 413840), (728, 384280), (739, 378560), (832, 336245), (845, 331072), (910, 307424), (1040, 268996), (1120, 249782), (1183, 236480), (1352, 206920), (1456, 192140), (1478, 189280), (1690, 165536), (1820, 153712), (2080, 134498), (2240, 124891), (2366, 118240), (2704, 103460), (2912, 96070), (2956, 94640), (3380, 82768), (3640, 76856), (3695, 75712), (4160, 67249), (4732, 59120), (5173, 54080), (5408, 51730), (5824, 48035), (5912, 47320), (5915, 47296), (6760, 41384), (7280, 38428), (7390, 37856), (9464, 29560), (9607, 29120), (10346, 27040), (10816, 25865), (11824, 23660), (11830, 23648), (13520, 20692), (14560, 19214), (14780, 18928)]