139877920

素因数分解:

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

素因数の和:787

約数の個数: 144

約数和(自身を含む): 409510080

約数和(自身を除く): 269632160

約数列:

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

約数ペア:

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