81736710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 128

約数和(自身を含む): 227681280

約数和(自身を除く): 145944570

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 89, 110, 115, 121, 138, 165, 178, 230, 242, 253, 267, 330, 345, 363, 445, 506, 534, 605, 690, 726, 759, 890, 979, 1210, 1265, 1331, 1335, 1518, 1815, 1958, 2047, 2530, 2662, 2670, 2783, 2937, 3630, 3795, 3993, 4094, 4895, 5566, 5874, 6141, 6655, 7590, 7986, 8349, 9790, 10235, 10769, 12282, 13310, 13915, 14685, 16698, 19965, 20470, 21538, 22517, 27830, 29370, 30613, 30705, 32307, 39930, 41745, 45034, 53845, 61226, 61410, 64614, 67551, 83490, 91839, 107690, 112585, 118459, 135102, 153065, 161535, 183678, 225170, 236918, 247687, 306130, 323070, 337755, 355377, 459195, 495374, 592295, 675510, 710754, 743061, 918390, 1184590, 1238435, 1486122, 1776885, 2476870, 2724557, 3553770, 3715305, 5449114, 7430610, 8173671, 13622785, 16347342, 27245570, 40868355, 81736710]

約数ペア:

[(1, 81736710), (2, 40868355), (3, 27245570), (5, 16347342), (6, 13622785), (10, 8173671), (11, 7430610), (15, 5449114), (22, 3715305), (23, 3553770), (30, 2724557), (33, 2476870), (46, 1776885), (55, 1486122), (66, 1238435), (69, 1184590), (89, 918390), (110, 743061), (115, 710754), (121, 675510), (138, 592295), (165, 495374), (178, 459195), (230, 355377), (242, 337755), (253, 323070), (267, 306130), (330, 247687), (345, 236918), (363, 225170), (445, 183678), (506, 161535), (534, 153065), (605, 135102), (690, 118459), (726, 112585), (759, 107690), (890, 91839), (979, 83490), (1210, 67551), (1265, 64614), (1331, 61410), (1335, 61226), (1518, 53845), (1815, 45034), (1958, 41745), (2047, 39930), (2530, 32307), (2662, 30705), (2670, 30613), (2783, 29370), (2937, 27830), (3630, 22517), (3795, 21538), (3993, 20470), (4094, 19965), (4895, 16698), (5566, 14685), (5874, 13915), (6141, 13310), (6655, 12282), (7590, 10769), (7986, 10235), (8349, 9790)]