189015680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1418

約数の個数: 128

約数和(自身を含む): 533468160

約数和(自身を除く): 344452480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1361, 1736, 1984, 2170, 2240, 2480, 2722, 3472, 3968, 4340, 4480, 4960, 5444, 6805, 6944, 8680, 9527, 9920, 10888, 13610, 13888, 17360, 19054, 19840, 21776, 27220, 27776, 34720, 38108, 42191, 43552, 47635, 54440, 69440, 76216, 84382, 87104, 95270, 108880, 138880, 152432, 168764, 174208, 190540, 210955, 217760, 295337, 304864, 337528, 381080, 421910, 435520, 590674, 609728, 675056, 762160, 843820, 871040, 1181348, 1219456, 1350112, 1476685, 1524320, 1687640, 2362696, 2700224, 2953370, 3048640, 3375280, 4725392, 5400448, 5906740, 6097280, 6750560, 9450784, 11813480, 13501120, 18901568, 23626960, 27002240, 37803136, 47253920, 94507840, 189015680]

約数ペア:

[(1, 189015680), (2, 94507840), (4, 47253920), (5, 37803136), (7, 27002240), (8, 23626960), (10, 18901568), (14, 13501120), (16, 11813480), (20, 9450784), (28, 6750560), (31, 6097280), (32, 5906740), (35, 5400448), (40, 4725392), (56, 3375280), (62, 3048640), (64, 2953370), (70, 2700224), (80, 2362696), (112, 1687640), (124, 1524320), (128, 1476685), (140, 1350112), (155, 1219456), (160, 1181348), (217, 871040), (224, 843820), (248, 762160), (280, 675056), (310, 609728), (320, 590674), (434, 435520), (448, 421910), (496, 381080), (560, 337528), (620, 304864), (640, 295337), (868, 217760), (896, 210955), (992, 190540), (1085, 174208), (1120, 168764), (1240, 152432), (1361, 138880), (1736, 108880), (1984, 95270), (2170, 87104), (2240, 84382), (2480, 76216), (2722, 69440), (3472, 54440), (3968, 47635), (4340, 43552), (4480, 42191), (4960, 38108), (5444, 34720), (6805, 27776), (6944, 27220), (8680, 21776), (9527, 19840), (9920, 19054), (10888, 17360), (13610, 13888)]