20719822080

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{75997}}^1$

素因数の和:76092

約数の個数: 144

約数和(自身を含む): 67106841984

約数和(自身を除く): 46387019904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 71, 80, 96, 120, 128, 142, 160, 192, 213, 240, 256, 284, 320, 355, 384, 426, 480, 568, 640, 710, 768, 852, 960, 1065, 1136, 1280, 1420, 1704, 1920, 2130, 2272, 2840, 3408, 3840, 4260, 4544, 5680, 6816, 8520, 9088, 11360, 13632, 17040, 18176, 22720, 27264, 34080, 45440, 54528, 68160, 75997, 90880, 136320, 151994, 227991, 272640, 303988, 379985, 455982, 607976, 759970, 911964, 1139955, 1215952, 1519940, 1823928, 2279910, 2431904, 3039880, 3647856, 4559820, 4863808, 5395787, 6079760, 7295712, 9119640, 9727616, 10791574, 12159520, 14591424, 16187361, 18239280, 19455232, 21583148, 24319040, 26978935, 29182848, 32374722, 36478560, 43166296, 48638080, 53957870, 58365696, 64749444, 72957120, 80936805, 86332592, 97276160, 107915740, 129498888, 145914240, 161873610, 172665184, 215831480, 258997776, 291828480, 323747220, 345330368, 431662960, 517995552, 647494440, 690660736, 863325920, 1035991104, 1294988880, 1381321472, 1726651840, 2071982208, 2589977760, 3453303680, 4143964416, 5179955520, 6906607360, 10359911040, 20719822080]

約数ペア:

[(1, 20719822080), (2, 10359911040), (3, 6906607360), (4, 5179955520), (5, 4143964416), (6, 3453303680), (8, 2589977760), (10, 2071982208), (12, 1726651840), (15, 1381321472), (16, 1294988880), (20, 1035991104), (24, 863325920), (30, 690660736), (32, 647494440), (40, 517995552), (48, 431662960), (60, 345330368), (64, 323747220), (71, 291828480), (80, 258997776), (96, 215831480), (120, 172665184), (128, 161873610), (142, 145914240), (160, 129498888), (192, 107915740), (213, 97276160), (240, 86332592), (256, 80936805), (284, 72957120), (320, 64749444), (355, 58365696), (384, 53957870), (426, 48638080), (480, 43166296), (568, 36478560), (640, 32374722), (710, 29182848), (768, 26978935), (852, 24319040), (960, 21583148), (1065, 19455232), (1136, 18239280), (1280, 16187361), (1420, 14591424), (1704, 12159520), (1920, 10791574), (2130, 9727616), (2272, 9119640), (2840, 7295712), (3408, 6079760), (3840, 5395787), (4260, 4863808), (4544, 4559820), (5680, 3647856), (6816, 3039880), (8520, 2431904), (9088, 2279910), (11360, 1823928), (13632, 1519940), (17040, 1215952), (18176, 1139955), (22720, 911964), (27264, 759970), (34080, 607976), (45440, 455982), (54528, 379985), (68160, 303988), (75997, 272640), (90880, 227991), (136320, 151994)]