81054540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:589

約数の個数: 192

約数和(自身を含む): 295787520

約数和(自身を除く): 214732980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 41, 42, 45, 54, 60, 63, 70, 82, 84, 90, 105, 108, 123, 126, 135, 140, 164, 180, 189, 205, 210, 246, 252, 270, 287, 315, 369, 378, 410, 420, 492, 523, 540, 574, 615, 630, 738, 756, 820, 861, 945, 1046, 1107, 1148, 1230, 1260, 1435, 1476, 1569, 1722, 1845, 1890, 2092, 2214, 2460, 2583, 2615, 2870, 3138, 3444, 3661, 3690, 3780, 4305, 4428, 4707, 5166, 5230, 5535, 5740, 6276, 7322, 7380, 7749, 7845, 8610, 9414, 10332, 10460, 10983, 11070, 12915, 14121, 14644, 15498, 15690, 17220, 18305, 18828, 21443, 21966, 22140, 23535, 25830, 28242, 30996, 31380, 32949, 36610, 38745, 42886, 43932, 47070, 51660, 54915, 56484, 64329, 65898, 70605, 73220, 77490, 85772, 94140, 98847, 107215, 109830, 128658, 131796, 141210, 150101, 154980, 164745, 192987, 197694, 214430, 219660, 257316, 282420, 300202, 321645, 329490, 385974, 395388, 428860, 450303, 494235, 578961, 600404, 643290, 658980, 750505, 771948, 900606, 964935, 988470, 1157922, 1286580, 1350909, 1501010, 1801212, 1929870, 1976940, 2251515, 2315844, 2701818, 2894805, 3002020, 3859740, 4052727, 4503030, 5403636, 5789610, 6754545, 8105454, 9006060, 11579220, 13509090, 16210908, 20263635, 27018180, 40527270, 81054540]

約数ペア:

[(1, 81054540), (2, 40527270), (3, 27018180), (4, 20263635), (5, 16210908), (6, 13509090), (7, 11579220), (9, 9006060), (10, 8105454), (12, 6754545), (14, 5789610), (15, 5403636), (18, 4503030), (20, 4052727), (21, 3859740), (27, 3002020), (28, 2894805), (30, 2701818), (35, 2315844), (36, 2251515), (41, 1976940), (42, 1929870), (45, 1801212), (54, 1501010), (60, 1350909), (63, 1286580), (70, 1157922), (82, 988470), (84, 964935), (90, 900606), (105, 771948), (108, 750505), (123, 658980), (126, 643290), (135, 600404), (140, 578961), (164, 494235), (180, 450303), (189, 428860), (205, 395388), (210, 385974), (246, 329490), (252, 321645), (270, 300202), (287, 282420), (315, 257316), (369, 219660), (378, 214430), (410, 197694), (420, 192987), (492, 164745), (523, 154980), (540, 150101), (574, 141210), (615, 131796), (630, 128658), (738, 109830), (756, 107215), (820, 98847), (861, 94140), (945, 85772), (1046, 77490), (1107, 73220), (1148, 70605), (1230, 65898), (1260, 64329), (1435, 56484), (1476, 54915), (1569, 51660), (1722, 47070), (1845, 43932), (1890, 42886), (2092, 38745), (2214, 36610), (2460, 32949), (2583, 31380), (2615, 30996), (2870, 28242), (3138, 25830), (3444, 23535), (3661, 22140), (3690, 21966), (3780, 21443), (4305, 18828), (4428, 18305), (4707, 17220), (5166, 15690), (5230, 15498), (5535, 14644), (5740, 14121), (6276, 12915), (7322, 11070), (7380, 10983), (7749, 10460), (7845, 10332), (8610, 9414)]