81385558380

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{14983}}^1$

素因数の和:15490

約数の個数: 240

約数和(自身を含む): 292410961920

約数和(自身を除く): 211025403540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 479, 540, 567, 630, 756, 810, 945, 958, 1134, 1260, 1437, 1620, 1890, 1916, 2268, 2395, 2835, 2874, 3353, 3780, 4311, 4790, 5670, 5748, 6706, 7185, 8622, 9580, 10059, 11340, 12933, 13412, 14370, 14983, 16765, 17244, 20118, 21555, 25866, 28740, 29966, 30177, 33530, 38799, 40236, 43110, 44949, 50295, 51732, 59932, 60354, 64665, 67060, 74915, 77598, 86220, 89898, 90531, 100590, 104881, 120708, 129330, 134847, 149830, 150885, 155196, 179796, 181062, 193995, 201180, 209762, 224745, 258660, 269694, 271593, 299660, 301770, 314643, 362124, 387990, 404541, 419524, 449490, 452655, 524405, 539388, 543186, 603540, 629286, 674235, 775980, 809082, 898980, 905310, 943929, 1048810, 1086372, 1213623, 1258572, 1348470, 1357965, 1573215, 1618164, 1810620, 1887858, 2022705, 2097620, 2427246, 2696940, 2715930, 2831787, 3146430, 3775716, 4045410, 4719645, 4854492, 5431860, 5663574, 6068115, 6292860, 7176857, 8090820, 8495361, 9439290, 11327148, 12136230, 14158935, 14353714, 16990722, 18878580, 21530571, 24272460, 28317870, 28707428, 33981444, 35884285, 42476805, 43061142, 50237999, 56635740, 64591713, 71768570, 84953610, 86122284, 100475998, 107652855, 129183426, 143537140, 150713997, 169907220, 193775139, 200951996, 215305710, 251189995, 258366852, 301427994, 322958565, 387550278, 430611420, 452141991, 502379990, 581325417, 602855988, 645917130, 753569985, 775100556, 904283982, 968875695, 1004759980, 1162650834, 1291834260, 1356425973, 1507139970, 1808567964, 1937751390, 2260709955, 2325301668, 2712851946, 2906627085, 3014279940, 3875502780, 4069277919, 4521419910, 5425703892, 5813254170, 6782129865, 8138555838, 9042839820, 11626508340, 13564259730, 16277111676, 20346389595, 27128519460, 40692779190, 81385558380]

約数ペア:

[(1, 81385558380), (2, 40692779190), (3, 27128519460), (4, 20346389595), (5, 16277111676), (6, 13564259730), (7, 11626508340), (9, 9042839820), (10, 8138555838), (12, 6782129865), (14, 5813254170), (15, 5425703892), (18, 4521419910), (20, 4069277919), (21, 3875502780), (27, 3014279940), (28, 2906627085), (30, 2712851946), (35, 2325301668), (36, 2260709955), (42, 1937751390), (45, 1808567964), (54, 1507139970), (60, 1356425973), (63, 1291834260), (70, 1162650834), (81, 1004759980), (84, 968875695), (90, 904283982), (105, 775100556), (108, 753569985), (126, 645917130), (135, 602855988), (140, 581325417), (162, 502379990), (180, 452141991), (189, 430611420), (210, 387550278), (252, 322958565), (270, 301427994), (315, 258366852), (324, 251189995), (378, 215305710), (405, 200951996), (420, 193775139), (479, 169907220), (540, 150713997), (567, 143537140), (630, 129183426), (756, 107652855), (810, 100475998), (945, 86122284), (958, 84953610), (1134, 71768570), (1260, 64591713), (1437, 56635740), (1620, 50237999), (1890, 43061142), (1916, 42476805), (2268, 35884285), (2395, 33981444), (2835, 28707428), (2874, 28317870), (3353, 24272460), (3780, 21530571), (4311, 18878580), (4790, 16990722), (5670, 14353714), (5748, 14158935), (6706, 12136230), (7185, 11327148), (8622, 9439290), (9580, 8495361), (10059, 8090820), (11340, 7176857), (12933, 6292860), (13412, 6068115), (14370, 5663574), (14983, 5431860), (16765, 4854492), (17244, 4719645), (20118, 4045410), (21555, 3775716), (25866, 3146430), (28740, 2831787), (29966, 2715930), (30177, 2696940), (33530, 2427246), (38799, 2097620), (40236, 2022705), (43110, 1887858), (44949, 1810620), (50295, 1618164), (51732, 1573215), (59932, 1357965), (60354, 1348470), (64665, 1258572), (67060, 1213623), (74915, 1086372), (77598, 1048810), (86220, 943929), (89898, 905310), (90531, 898980), (100590, 809082), (104881, 775980), (120708, 674235), (129330, 629286), (134847, 603540), (149830, 543186), (150885, 539388), (155196, 524405), (179796, 452655), (181062, 449490), (193995, 419524), (201180, 404541), (209762, 387990), (224745, 362124), (258660, 314643), (269694, 301770), (271593, 299660)]