64721280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2593}}^1$

素因数の和:2628

約数の個数: 128

約数和(自身を含む): 222253920

約数和(自身を除く): 157532640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 2593, 3120, 4160, 4992, 5186, 6240, 7779, 8320, 10372, 12480, 12965, 15558, 20744, 24960, 25930, 31116, 33709, 38895, 41488, 51860, 62232, 67418, 77790, 82976, 101127, 103720, 124464, 134836, 155580, 165952, 168545, 202254, 207440, 248928, 269672, 311160, 331904, 337090, 404508, 414880, 497856, 505635, 539344, 622320, 674180, 809016, 829760, 995712, 1011270, 1078688, 1244640, 1348360, 1618032, 1659520, 2022540, 2157376, 2489280, 2696720, 3236064, 4045080, 4314752, 4978560, 5393440, 6472128, 8090160, 10786880, 12944256, 16180320, 21573760, 32360640, 64721280]

約数ペア:

[(1, 64721280), (2, 32360640), (3, 21573760), (4, 16180320), (5, 12944256), (6, 10786880), (8, 8090160), (10, 6472128), (12, 5393440), (13, 4978560), (15, 4314752), (16, 4045080), (20, 3236064), (24, 2696720), (26, 2489280), (30, 2157376), (32, 2022540), (39, 1659520), (40, 1618032), (48, 1348360), (52, 1244640), (60, 1078688), (64, 1011270), (65, 995712), (78, 829760), (80, 809016), (96, 674180), (104, 622320), (120, 539344), (128, 505635), (130, 497856), (156, 414880), (160, 404508), (192, 337090), (195, 331904), (208, 311160), (240, 269672), (260, 248928), (312, 207440), (320, 202254), (384, 168545), (390, 165952), (416, 155580), (480, 134836), (520, 124464), (624, 103720), (640, 101127), (780, 82976), (832, 77790), (960, 67418), (1040, 62232), (1248, 51860), (1560, 41488), (1664, 38895), (1920, 33709), (2080, 31116), (2496, 25930), (2593, 24960), (3120, 20744), (4160, 15558), (4992, 12965), (5186, 12480), (6240, 10372), (7779, 8320)]