80437320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1140

約数の個数: 128

約数和(自身を含む): 272160000

約数和(自身を除く): 191722680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1049, 1065, 1080, 1278, 1420, 1704, 1917, 2098, 2130, 2556, 2840, 3147, 3195, 3834, 4196, 4260, 5112, 5245, 6294, 6390, 7668, 8392, 8520, 9441, 9585, 10490, 12588, 12780, 15336, 15735, 18882, 19170, 20980, 25176, 25560, 28323, 31470, 37764, 38340, 41960, 47205, 56646, 62940, 74479, 75528, 76680, 94410, 113292, 125880, 141615, 148958, 188820, 223437, 226584, 283230, 297916, 372395, 377640, 446874, 566460, 595832, 670311, 744790, 893748, 1117185, 1132920, 1340622, 1489580, 1787496, 2010933, 2234370, 2681244, 2979160, 3351555, 4021866, 4468740, 5362488, 6703110, 8043732, 8937480, 10054665, 13406220, 16087464, 20109330, 26812440, 40218660, 80437320]

約数ペア:

[(1, 80437320), (2, 40218660), (3, 26812440), (4, 20109330), (5, 16087464), (6, 13406220), (8, 10054665), (9, 8937480), (10, 8043732), (12, 6703110), (15, 5362488), (18, 4468740), (20, 4021866), (24, 3351555), (27, 2979160), (30, 2681244), (36, 2234370), (40, 2010933), (45, 1787496), (54, 1489580), (60, 1340622), (71, 1132920), (72, 1117185), (90, 893748), (108, 744790), (120, 670311), (135, 595832), (142, 566460), (180, 446874), (213, 377640), (216, 372395), (270, 297916), (284, 283230), (355, 226584), (360, 223437), (426, 188820), (540, 148958), (568, 141615), (639, 125880), (710, 113292), (852, 94410), (1049, 76680), (1065, 75528), (1080, 74479), (1278, 62940), (1420, 56646), (1704, 47205), (1917, 41960), (2098, 38340), (2130, 37764), (2556, 31470), (2840, 28323), (3147, 25560), (3195, 25176), (3834, 20980), (4196, 19170), (4260, 18882), (5112, 15735), (5245, 15336), (6294, 12780), (6390, 12588), (7668, 10490), (8392, 9585), (8520, 9441)]