661554880

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 168

約数和(自身を含む): 1893027456

約数和(自身を除く): 1231472576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 64, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 320, 392, 434, 448, 490, 496, 560, 620, 784, 868, 980, 992, 1085, 1120, 1240, 1361, 1519, 1568, 1736, 1960, 1984, 2170, 2240, 2480, 2722, 3038, 3136, 3472, 3920, 4340, 4960, 5444, 6076, 6805, 6944, 7595, 7840, 8680, 9527, 9920, 10888, 12152, 13610, 13888, 15190, 15680, 17360, 19054, 21776, 24304, 27220, 30380, 34720, 38108, 42191, 43552, 47635, 48608, 54440, 60760, 66689, 69440, 76216, 84382, 87104, 95270, 97216, 108880, 121520, 133378, 152432, 168764, 190540, 210955, 217760, 243040, 266756, 295337, 304864, 333445, 337528, 381080, 421910, 435520, 486080, 533512, 590674, 609728, 666890, 675056, 762160, 843820, 1067024, 1181348, 1333780, 1350112, 1476685, 1524320, 1687640, 2067359, 2134048, 2362696, 2667560, 2700224, 2953370, 3048640, 3375280, 4134718, 4268096, 4725392, 5335120, 5906740, 6750560, 8269436, 9450784, 10336795, 10670240, 11813480, 13501120, 16538872, 18901568, 20673590, 21340480, 23626960, 33077744, 41347180, 47253920, 66155488, 82694360, 94507840, 132310976, 165388720, 330777440, 661554880]

約数ペア:

[(1, 661554880), (2, 330777440), (4, 165388720), (5, 132310976), (7, 94507840), (8, 82694360), (10, 66155488), (14, 47253920), (16, 41347180), (20, 33077744), (28, 23626960), (31, 21340480), (32, 20673590), (35, 18901568), (40, 16538872), (49, 13501120), (56, 11813480), (62, 10670240), (64, 10336795), (70, 9450784), (80, 8269436), (98, 6750560), (112, 5906740), (124, 5335120), (140, 4725392), (155, 4268096), (160, 4134718), (196, 3375280), (217, 3048640), (224, 2953370), (245, 2700224), (248, 2667560), (280, 2362696), (310, 2134048), (320, 2067359), (392, 1687640), (434, 1524320), (448, 1476685), (490, 1350112), (496, 1333780), (560, 1181348), (620, 1067024), (784, 843820), (868, 762160), (980, 675056), (992, 666890), (1085, 609728), (1120, 590674), (1240, 533512), (1361, 486080), (1519, 435520), (1568, 421910), (1736, 381080), (1960, 337528), (1984, 333445), (2170, 304864), (2240, 295337), (2480, 266756), (2722, 243040), (3038, 217760), (3136, 210955), (3472, 190540), (3920, 168764), (4340, 152432), (4960, 133378), (5444, 121520), (6076, 108880), (6805, 97216), (6944, 95270), (7595, 87104), (7840, 84382), (8680, 76216), (9527, 69440), (9920, 66689), (10888, 60760), (12152, 54440), (13610, 48608), (13888, 47635), (15190, 43552), (15680, 42191), (17360, 38108), (19054, 34720), (21776, 30380), (24304, 27220)]