20170378720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{367}}^1$

素因数の和:681

約数の個数: 192

約数和(自身を含む): 51078988800

約数和(自身を除く): 30908610080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 101, 152, 160, 179, 190, 202, 304, 358, 367, 380, 404, 505, 608, 716, 734, 760, 808, 895, 1010, 1432, 1468, 1520, 1616, 1790, 1835, 1919, 2020, 2864, 2936, 3040, 3232, 3401, 3580, 3670, 3838, 4040, 5728, 5872, 6802, 6973, 7160, 7340, 7676, 8080, 9595, 11744, 13604, 13946, 14320, 14680, 15352, 16160, 17005, 18079, 19190, 27208, 27892, 28640, 29360, 30704, 34010, 34865, 36158, 37067, 38380, 54416, 55784, 58720, 61408, 65693, 68020, 69730, 72316, 74134, 76760, 90395, 108832, 111568, 131386, 136040, 139460, 144632, 148268, 153520, 180790, 185335, 223136, 262772, 272080, 278920, 289264, 296536, 307040, 328465, 343501, 361580, 370670, 525544, 544160, 557840, 578528, 593072, 656930, 687002, 704273, 723160, 741340, 1051088, 1115680, 1186144, 1248167, 1313860, 1374004, 1408546, 1446320, 1482680, 1717505, 2102176, 2496334, 2627720, 2748008, 2817092, 2892640, 2965360, 3435010, 3521365, 4992668, 5255440, 5496016, 5634184, 5930720, 6240835, 6634993, 6870020, 7042730, 9985336, 10510880, 10992032, 11268368, 12481670, 13269986, 13740040, 14085460, 19970672, 22536736, 24963340, 26539972, 27480080, 28170920, 33174965, 39941344, 49926680, 53079944, 54960160, 56341840, 66349930, 99853360, 106159888, 112683680, 126064867, 132699860, 199706720, 212319776, 252129734, 265399720, 504259468, 530799440, 630324335, 1008518936, 1061598880, 1260648670, 2017037872, 2521297340, 4034075744, 5042594680, 10085189360, 20170378720]

約数ペア:

[(1, 20170378720), (2, 10085189360), (4, 5042594680), (5, 4034075744), (8, 2521297340), (10, 2017037872), (16, 1260648670), (19, 1061598880), (20, 1008518936), (32, 630324335), (38, 530799440), (40, 504259468), (76, 265399720), (80, 252129734), (95, 212319776), (101, 199706720), (152, 132699860), (160, 126064867), (179, 112683680), (190, 106159888), (202, 99853360), (304, 66349930), (358, 56341840), (367, 54960160), (380, 53079944), (404, 49926680), (505, 39941344), (608, 33174965), (716, 28170920), (734, 27480080), (760, 26539972), (808, 24963340), (895, 22536736), (1010, 19970672), (1432, 14085460), (1468, 13740040), (1520, 13269986), (1616, 12481670), (1790, 11268368), (1835, 10992032), (1919, 10510880), (2020, 9985336), (2864, 7042730), (2936, 6870020), (3040, 6634993), (3232, 6240835), (3401, 5930720), (3580, 5634184), (3670, 5496016), (3838, 5255440), (4040, 4992668), (5728, 3521365), (5872, 3435010), (6802, 2965360), (6973, 2892640), (7160, 2817092), (7340, 2748008), (7676, 2627720), (8080, 2496334), (9595, 2102176), (11744, 1717505), (13604, 1482680), (13946, 1446320), (14320, 1408546), (14680, 1374004), (15352, 1313860), (16160, 1248167), (17005, 1186144), (18079, 1115680), (19190, 1051088), (27208, 741340), (27892, 723160), (28640, 704273), (29360, 687002), (30704, 656930), (34010, 593072), (34865, 578528), (36158, 557840), (37067, 544160), (38380, 525544), (54416, 370670), (55784, 361580), (58720, 343501), (61408, 328465), (65693, 307040), (68020, 296536), (69730, 289264), (72316, 278920), (74134, 272080), (76760, 262772), (90395, 223136), (108832, 185335), (111568, 180790), (131386, 153520), (136040, 148268), (139460, 144632)]