521191840

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 1402168320

約数和(自身を除く): 880976480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 59, 62, 65, 80, 104, 118, 124, 130, 137, 155, 160, 208, 236, 248, 260, 274, 295, 310, 403, 416, 472, 496, 520, 548, 590, 620, 685, 767, 806, 944, 992, 1040, 1096, 1180, 1240, 1370, 1534, 1612, 1781, 1829, 1888, 2015, 2080, 2192, 2360, 2480, 2740, 3068, 3224, 3562, 3658, 3835, 4030, 4247, 4384, 4720, 4960, 5480, 6136, 6448, 7124, 7316, 7670, 8060, 8083, 8494, 8905, 9145, 9440, 10960, 12272, 12896, 14248, 14632, 15340, 16120, 16166, 16988, 17810, 18290, 21235, 21920, 23777, 24544, 28496, 29264, 30680, 32240, 32332, 33976, 35620, 36580, 40415, 42470, 47554, 55211, 56992, 58528, 61360, 64480, 64664, 67952, 71240, 73160, 80830, 84940, 95108, 105079, 110422, 118885, 122720, 129328, 135904, 142480, 146320, 161660, 169880, 190216, 210158, 220844, 237770, 250573, 258656, 276055, 284960, 292640, 323320, 339760, 380432, 420316, 441688, 475540, 501146, 525395, 552110, 646640, 679520, 760864, 840632, 883376, 951080, 1002292, 1050790, 1104220, 1252865, 1293280, 1681264, 1766752, 1902160, 2004584, 2101580, 2208440, 2505730, 3257449, 3362528, 3804320, 4009168, 4203160, 4416880, 5011460, 6514898, 8018336, 8406320, 8833760, 10022920, 13029796, 16287245, 16812640, 20045840, 26059592, 32574490, 40091680, 52119184, 65148980, 104238368, 130297960, 260595920, 521191840]

約数ペア:

[(1, 521191840), (2, 260595920), (4, 130297960), (5, 104238368), (8, 65148980), (10, 52119184), (13, 40091680), (16, 32574490), (20, 26059592), (26, 20045840), (31, 16812640), (32, 16287245), (40, 13029796), (52, 10022920), (59, 8833760), (62, 8406320), (65, 8018336), (80, 6514898), (104, 5011460), (118, 4416880), (124, 4203160), (130, 4009168), (137, 3804320), (155, 3362528), (160, 3257449), (208, 2505730), (236, 2208440), (248, 2101580), (260, 2004584), (274, 1902160), (295, 1766752), (310, 1681264), (403, 1293280), (416, 1252865), (472, 1104220), (496, 1050790), (520, 1002292), (548, 951080), (590, 883376), (620, 840632), (685, 760864), (767, 679520), (806, 646640), (944, 552110), (992, 525395), (1040, 501146), (1096, 475540), (1180, 441688), (1240, 420316), (1370, 380432), (1534, 339760), (1612, 323320), (1781, 292640), (1829, 284960), (1888, 276055), (2015, 258656), (2080, 250573), (2192, 237770), (2360, 220844), (2480, 210158), (2740, 190216), (3068, 169880), (3224, 161660), (3562, 146320), (3658, 142480), (3835, 135904), (4030, 129328), (4247, 122720), (4384, 118885), (4720, 110422), (4960, 105079), (5480, 95108), (6136, 84940), (6448, 80830), (7124, 73160), (7316, 71240), (7670, 67952), (8060, 64664), (8083, 64480), (8494, 61360), (8905, 58528), (9145, 56992), (9440, 55211), (10960, 47554), (12272, 42470), (12896, 40415), (14248, 36580), (14632, 35620), (15340, 33976), (16120, 32332), (16166, 32240), (16988, 30680), (17810, 29264), (18290, 28496), (21235, 24544), (21920, 23777)]