628660160

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:674

約数の個数: 112

約数和(自身を含む): 1560576000

約数和(自身を除く): 931915840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 155, 160, 248, 254, 310, 320, 496, 499, 508, 620, 635, 992, 998, 1016, 1240, 1270, 1984, 1996, 2032, 2480, 2495, 2540, 3937, 3992, 4064, 4960, 4990, 5080, 7874, 7984, 8128, 9920, 9980, 10160, 15469, 15748, 15968, 19685, 19960, 20320, 30938, 31496, 31936, 39370, 39920, 40640, 61876, 62992, 63373, 77345, 78740, 79840, 123752, 125984, 126746, 154690, 157480, 159680, 247504, 251968, 253492, 309380, 314960, 316865, 495008, 506984, 618760, 629920, 633730, 990016, 1013968, 1237520, 1259840, 1267460, 1964563, 2027936, 2475040, 2534920, 3929126, 4055872, 4950080, 5069840, 7858252, 9822815, 10139680, 15716504, 19645630, 20279360, 31433008, 39291260, 62866016, 78582520, 125732032, 157165040, 314330080, 628660160]

約数ペア:

[(1, 628660160), (2, 314330080), (4, 157165040), (5, 125732032), (8, 78582520), (10, 62866016), (16, 39291260), (20, 31433008), (31, 20279360), (32, 19645630), (40, 15716504), (62, 10139680), (64, 9822815), (80, 7858252), (124, 5069840), (127, 4950080), (155, 4055872), (160, 3929126), (248, 2534920), (254, 2475040), (310, 2027936), (320, 1964563), (496, 1267460), (499, 1259840), (508, 1237520), (620, 1013968), (635, 990016), (992, 633730), (998, 629920), (1016, 618760), (1240, 506984), (1270, 495008), (1984, 316865), (1996, 314960), (2032, 309380), (2480, 253492), (2495, 251968), (2540, 247504), (3937, 159680), (3992, 157480), (4064, 154690), (4960, 126746), (4990, 125984), (5080, 123752), (7874, 79840), (7984, 78740), (8128, 77345), (9920, 63373), (9980, 62992), (10160, 61876), (15469, 40640), (15748, 39920), (15968, 39370), (19685, 31936), (19960, 31496), (20320, 30938)]