7248780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{523}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 27465984

約数和(自身を除く): 20217204

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 523, 630, 660, 693, 770, 924, 990, 1046, 1155, 1260, 1386, 1540, 1569, 1980, 2092, 2310, 2615, 2772, 3138, 3465, 3661, 4620, 4707, 5230, 5753, 6276, 6930, 7322, 7845, 9414, 10460, 10983, 11506, 13860, 14644, 15690, 17259, 18305, 18828, 21966, 23012, 23535, 28765, 31380, 32949, 34518, 36610, 40271, 43932, 47070, 51777, 54915, 57530, 65898, 69036, 73220, 80542, 86295, 94140, 103554, 109830, 115060, 120813, 131796, 161084, 164745, 172590, 201355, 207108, 219660, 241626, 258885, 329490, 345180, 362439, 402710, 483252, 517770, 604065, 658980, 724878, 805420, 1035540, 1208130, 1449756, 1812195, 2416260, 3624390, 7248780]

約数ペア:

[(1, 7248780), (2, 3624390), (3, 2416260), (4, 1812195), (5, 1449756), (6, 1208130), (7, 1035540), (9, 805420), (10, 724878), (11, 658980), (12, 604065), (14, 517770), (15, 483252), (18, 402710), (20, 362439), (21, 345180), (22, 329490), (28, 258885), (30, 241626), (33, 219660), (35, 207108), (36, 201355), (42, 172590), (44, 164745), (45, 161084), (55, 131796), (60, 120813), (63, 115060), (66, 109830), (70, 103554), (77, 94140), (84, 86295), (90, 80542), (99, 73220), (105, 69036), (110, 65898), (126, 57530), (132, 54915), (140, 51777), (154, 47070), (165, 43932), (180, 40271), (198, 36610), (210, 34518), (220, 32949), (231, 31380), (252, 28765), (308, 23535), (315, 23012), (330, 21966), (385, 18828), (396, 18305), (420, 17259), (462, 15690), (495, 14644), (523, 13860), (630, 11506), (660, 10983), (693, 10460), (770, 9414), (924, 7845), (990, 7322), (1046, 6930), (1155, 6276), (1260, 5753), (1386, 5230), (1540, 4707), (1569, 4620), (1980, 3661), (2092, 3465), (2310, 3138), (2615, 2772)]