19880498520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{599}}^1$

素因数の和:1087

約数の個数: 256

約数和(自身を含む): 67392000000

約数和(自身を除く): 47511501480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 389, 395, 474, 540, 599, 632, 711, 778, 790, 948, 1080, 1167, 1185, 1198, 1422, 1556, 1580, 1797, 1896, 1945, 2133, 2334, 2370, 2396, 2844, 2995, 3112, 3160, 3501, 3555, 3594, 3890, 4266, 4668, 4740, 4792, 5391, 5688, 5835, 5990, 7002, 7110, 7188, 7780, 8532, 8985, 9336, 9480, 10503, 10665, 10782, 11670, 11980, 14004, 14220, 14376, 15560, 16173, 17064, 17505, 17970, 21006, 21330, 21564, 23340, 23960, 26955, 28008, 28440, 30731, 32346, 35010, 35940, 42012, 42660, 43128, 46680, 47321, 52515, 53910, 61462, 64692, 70020, 71880, 80865, 84024, 85320, 92193, 94642, 105030, 107820, 122924, 129384, 140040, 141963, 153655, 161730, 184386, 189284, 210060, 215640, 233011, 236605, 245848, 276579, 283926, 307310, 323460, 368772, 378568, 420120, 425889, 460965, 466022, 473210, 553158, 567852, 614620, 646920, 699033, 709815, 737544, 829737, 851778, 921930, 932044, 946420, 1106316, 1135704, 1165055, 1229240, 1277667, 1382895, 1398066, 1419630, 1659474, 1703556, 1843860, 1864088, 1892840, 2097099, 2129445, 2212632, 2330110, 2555334, 2765790, 2796132, 2839260, 3318948, 3407112, 3495165, 3687720, 4148685, 4194198, 4258890, 4660220, 5110668, 5531580, 5592264, 5678520, 6291297, 6388335, 6637896, 6990330, 8297370, 8388396, 8517780, 9320440, 10221336, 10485495, 11063160, 12582594, 12776670, 13980660, 16594740, 16776792, 17035560, 18407869, 20970990, 25165188, 25553340, 27961320, 31456485, 33189480, 36815738, 41941980, 50330376, 51106680, 55223607, 62912970, 73631476, 83883960, 92039345, 110447214, 125825940, 147262952, 165670821, 184078690, 220894428, 251651880, 276118035, 331341642, 368157380, 441788856, 497012463, 552236070, 662683284, 736314760, 828354105, 994024926, 1104472140, 1325366568, 1656708210, 1988049852, 2208944280, 2485062315, 3313416420, 3976099704, 4970124630, 6626832840, 9940249260, 19880498520]

約数ペア:

[(1, 19880498520), (2, 9940249260), (3, 6626832840), (4, 4970124630), (5, 3976099704), (6, 3313416420), (8, 2485062315), (9, 2208944280), (10, 1988049852), (12, 1656708210), (15, 1325366568), (18, 1104472140), (20, 994024926), (24, 828354105), (27, 736314760), (30, 662683284), (36, 552236070), (40, 497012463), (45, 441788856), (54, 368157380), (60, 331341642), (72, 276118035), (79, 251651880), (90, 220894428), (108, 184078690), (120, 165670821), (135, 147262952), (158, 125825940), (180, 110447214), (216, 92039345), (237, 83883960), (270, 73631476), (316, 62912970), (360, 55223607), (389, 51106680), (395, 50330376), (474, 41941980), (540, 36815738), (599, 33189480), (632, 31456485), (711, 27961320), (778, 25553340), (790, 25165188), (948, 20970990), (1080, 18407869), (1167, 17035560), (1185, 16776792), (1198, 16594740), (1422, 13980660), (1556, 12776670), (1580, 12582594), (1797, 11063160), (1896, 10485495), (1945, 10221336), (2133, 9320440), (2334, 8517780), (2370, 8388396), (2396, 8297370), (2844, 6990330), (2995, 6637896), (3112, 6388335), (3160, 6291297), (3501, 5678520), (3555, 5592264), (3594, 5531580), (3890, 5110668), (4266, 4660220), (4668, 4258890), (4740, 4194198), (4792, 4148685), (5391, 3687720), (5688, 3495165), (5835, 3407112), (5990, 3318948), (7002, 2839260), (7110, 2796132), (7188, 2765790), (7780, 2555334), (8532, 2330110), (8985, 2212632), (9336, 2129445), (9480, 2097099), (10503, 1892840), (10665, 1864088), (10782, 1843860), (11670, 1703556), (11980, 1659474), (14004, 1419630), (14220, 1398066), (14376, 1382895), (15560, 1277667), (16173, 1229240), (17064, 1165055), (17505, 1135704), (17970, 1106316), (21006, 946420), (21330, 932044), (21564, 921930), (23340, 851778), (23960, 829737), (26955, 737544), (28008, 709815), (28440, 699033), (30731, 646920), (32346, 614620), (35010, 567852), (35940, 553158), (42012, 473210), (42660, 466022), (43128, 460965), (46680, 425889), (47321, 420120), (52515, 378568), (53910, 368772), (61462, 323460), (64692, 307310), (70020, 283926), (71880, 276579), (80865, 245848), (84024, 236605), (85320, 233011), (92193, 215640), (94642, 210060), (105030, 189284), (107820, 184386), (122924, 161730), (129384, 153655), (140040, 141963)]