209551320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 256

約数和(自身を含む): 787968000

約数和(自身を除く): 578416680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 31, 33, 36, 40, 44, 45, 54, 55, 60, 62, 66, 72, 88, 90, 93, 99, 108, 110, 120, 124, 132, 135, 155, 165, 180, 186, 198, 216, 220, 248, 264, 270, 279, 297, 310, 330, 341, 360, 372, 396, 440, 465, 495, 540, 558, 569, 594, 620, 660, 682, 744, 792, 837, 930, 990, 1023, 1080, 1116, 1138, 1188, 1240, 1320, 1364, 1395, 1485, 1674, 1705, 1707, 1860, 1980, 2046, 2232, 2276, 2376, 2728, 2790, 2845, 2970, 3069, 3348, 3410, 3414, 3720, 3960, 4092, 4185, 4552, 5115, 5121, 5580, 5690, 5940, 6138, 6259, 6696, 6820, 6828, 8184, 8370, 8535, 9207, 10230, 10242, 11160, 11380, 11880, 12276, 12518, 13640, 13656, 15345, 15363, 16740, 17070, 17639, 18414, 18777, 20460, 20484, 22760, 24552, 25036, 25605, 30690, 30726, 31295, 33480, 34140, 35278, 36828, 37554, 40920, 40968, 46035, 50072, 51210, 52917, 56331, 61380, 61452, 62590, 68280, 70556, 73656, 75108, 76815, 88195, 92070, 93885, 102420, 105834, 112662, 122760, 122904, 125180, 141112, 150216, 153630, 158751, 168993, 176390, 184140, 187770, 194029, 204840, 211668, 225324, 250360, 264585, 281655, 307260, 317502, 337986, 352780, 368280, 375540, 388058, 423336, 450648, 476253, 529170, 563310, 582087, 614520, 635004, 675972, 705560, 751080, 776116, 793755, 844965, 952506, 970145, 1058340, 1126620, 1164174, 1270008, 1351944, 1552232, 1587510, 1689930, 1746261, 1905012, 1940290, 2116680, 2253240, 2328348, 2381265, 2910435, 3175020, 3379860, 3492522, 3810024, 3880580, 4656696, 4762530, 5238783, 5820870, 6350040, 6759720, 6985044, 7761160, 8731305, 9525060, 10477566, 11641740, 13970088, 17462610, 19050120, 20955132, 23283480, 26193915, 34925220, 41910264, 52387830, 69850440, 104775660, 209551320]

約数ペア:

[(1, 209551320), (2, 104775660), (3, 69850440), (4, 52387830), (5, 41910264), (6, 34925220), (8, 26193915), (9, 23283480), (10, 20955132), (11, 19050120), (12, 17462610), (15, 13970088), (18, 11641740), (20, 10477566), (22, 9525060), (24, 8731305), (27, 7761160), (30, 6985044), (31, 6759720), (33, 6350040), (36, 5820870), (40, 5238783), (44, 4762530), (45, 4656696), (54, 3880580), (55, 3810024), (60, 3492522), (62, 3379860), (66, 3175020), (72, 2910435), (88, 2381265), (90, 2328348), (93, 2253240), (99, 2116680), (108, 1940290), (110, 1905012), (120, 1746261), (124, 1689930), (132, 1587510), (135, 1552232), (155, 1351944), (165, 1270008), (180, 1164174), (186, 1126620), (198, 1058340), (216, 970145), (220, 952506), (248, 844965), (264, 793755), (270, 776116), (279, 751080), (297, 705560), (310, 675972), (330, 635004), (341, 614520), (360, 582087), (372, 563310), (396, 529170), (440, 476253), (465, 450648), (495, 423336), (540, 388058), (558, 375540), (569, 368280), (594, 352780), (620, 337986), (660, 317502), (682, 307260), (744, 281655), (792, 264585), (837, 250360), (930, 225324), (990, 211668), (1023, 204840), (1080, 194029), (1116, 187770), (1138, 184140), (1188, 176390), (1240, 168993), (1320, 158751), (1364, 153630), (1395, 150216), (1485, 141112), (1674, 125180), (1705, 122904), (1707, 122760), (1860, 112662), (1980, 105834), (2046, 102420), (2232, 93885), (2276, 92070), (2376, 88195), (2728, 76815), (2790, 75108), (2845, 73656), (2970, 70556), (3069, 68280), (3348, 62590), (3410, 61452), (3414, 61380), (3720, 56331), (3960, 52917), (4092, 51210), (4185, 50072), (4552, 46035), (5115, 40968), (5121, 40920), (5580, 37554), (5690, 36828), (5940, 35278), (6138, 34140), (6259, 33480), (6696, 31295), (6820, 30726), (6828, 30690), (8184, 25605), (8370, 25036), (8535, 24552), (9207, 22760), (10230, 20484), (10242, 20460), (11160, 18777), (11380, 18414), (11880, 17639), (12276, 17070), (12518, 16740), (13640, 15363), (13656, 15345)]