215470920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 256

約数和(自身を含む): 796262400

約数和(自身を除く): 580791480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 79, 84, 85, 102, 105, 119, 120, 136, 140, 158, 168, 170, 191, 204, 210, 237, 238, 255, 280, 316, 340, 357, 382, 395, 408, 420, 474, 476, 510, 553, 573, 595, 632, 680, 714, 764, 790, 840, 948, 952, 955, 1020, 1106, 1146, 1185, 1190, 1337, 1343, 1428, 1528, 1580, 1659, 1785, 1896, 1910, 2040, 2212, 2292, 2370, 2380, 2674, 2686, 2765, 2856, 2865, 3160, 3247, 3318, 3570, 3820, 4011, 4029, 4424, 4584, 4740, 4760, 5348, 5372, 5530, 5730, 6494, 6636, 6685, 6715, 7140, 7640, 8022, 8058, 8295, 9401, 9480, 9741, 10696, 10744, 11060, 11460, 12988, 13272, 13370, 13430, 14280, 15089, 16044, 16116, 16235, 16590, 18802, 19482, 20055, 20145, 22120, 22729, 22920, 25976, 26740, 26860, 28203, 30178, 32088, 32232, 32470, 33180, 37604, 38964, 40110, 40290, 45267, 45458, 47005, 48705, 53480, 53720, 56406, 60356, 64940, 66360, 68187, 75208, 75445, 77928, 80220, 80580, 90534, 90916, 94010, 97410, 105623, 112812, 113645, 120712, 129880, 136374, 141015, 150890, 160440, 161160, 181068, 181832, 188020, 194820, 211246, 225624, 226335, 227290, 256513, 272748, 282030, 301780, 316869, 340935, 362136, 376040, 389640, 422492, 452670, 454580, 513026, 528115, 545496, 564060, 603560, 633738, 681870, 769539, 844984, 905340, 909160, 1026052, 1056230, 1128120, 1267476, 1282565, 1363740, 1539078, 1584345, 1795591, 1810680, 2052104, 2112460, 2534952, 2565130, 2727480, 3078156, 3168690, 3591182, 3847695, 4224920, 5130260, 5386773, 6156312, 6337380, 7182364, 7695390, 8977955, 10260520, 10773546, 12674760, 14364728, 15390780, 17955910, 21547092, 26933865, 30781560, 35911820, 43094184, 53867730, 71823640, 107735460, 215470920]

約数ペア:

[(1, 215470920), (2, 107735460), (3, 71823640), (4, 53867730), (5, 43094184), (6, 35911820), (7, 30781560), (8, 26933865), (10, 21547092), (12, 17955910), (14, 15390780), (15, 14364728), (17, 12674760), (20, 10773546), (21, 10260520), (24, 8977955), (28, 7695390), (30, 7182364), (34, 6337380), (35, 6156312), (40, 5386773), (42, 5130260), (51, 4224920), (56, 3847695), (60, 3591182), (68, 3168690), (70, 3078156), (79, 2727480), (84, 2565130), (85, 2534952), (102, 2112460), (105, 2052104), (119, 1810680), (120, 1795591), (136, 1584345), (140, 1539078), (158, 1363740), (168, 1282565), (170, 1267476), (191, 1128120), (204, 1056230), (210, 1026052), (237, 909160), (238, 905340), (255, 844984), (280, 769539), (316, 681870), (340, 633738), (357, 603560), (382, 564060), (395, 545496), (408, 528115), (420, 513026), (474, 454580), (476, 452670), (510, 422492), (553, 389640), (573, 376040), (595, 362136), (632, 340935), (680, 316869), (714, 301780), (764, 282030), (790, 272748), (840, 256513), (948, 227290), (952, 226335), (955, 225624), (1020, 211246), (1106, 194820), (1146, 188020), (1185, 181832), (1190, 181068), (1337, 161160), (1343, 160440), (1428, 150890), (1528, 141015), (1580, 136374), (1659, 129880), (1785, 120712), (1896, 113645), (1910, 112812), (2040, 105623), (2212, 97410), (2292, 94010), (2370, 90916), (2380, 90534), (2674, 80580), (2686, 80220), (2765, 77928), (2856, 75445), (2865, 75208), (3160, 68187), (3247, 66360), (3318, 64940), (3570, 60356), (3820, 56406), (4011, 53720), (4029, 53480), (4424, 48705), (4584, 47005), (4740, 45458), (4760, 45267), (5348, 40290), (5372, 40110), (5530, 38964), (5730, 37604), (6494, 33180), (6636, 32470), (6685, 32232), (6715, 32088), (7140, 30178), (7640, 28203), (8022, 26860), (8058, 26740), (8295, 25976), (9401, 22920), (9480, 22729), (9741, 22120), (10696, 20145), (10744, 20055), (11060, 19482), (11460, 18802), (12988, 16590), (13272, 16235), (13370, 16116), (13430, 16044), (14280, 15089)]