81944640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{769}}^1$

素因数の和:829

約数の個数: 168

約数和(自身を含む): 289849560

約数和(自身を除く): 207904920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 64, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 192, 222, 240, 288, 296, 320, 333, 360, 370, 444, 480, 555, 576, 592, 666, 720, 740, 769, 888, 960, 1110, 1184, 1332, 1440, 1480, 1538, 1665, 1776, 2220, 2307, 2368, 2664, 2880, 2960, 3076, 3330, 3552, 3845, 4440, 4614, 5328, 5920, 6152, 6660, 6921, 7104, 7690, 8880, 9228, 10656, 11535, 11840, 12304, 13320, 13842, 15380, 17760, 18456, 21312, 23070, 24608, 26640, 27684, 28453, 30760, 34605, 35520, 36912, 46140, 49216, 53280, 55368, 56906, 61520, 69210, 73824, 85359, 92280, 106560, 110736, 113812, 123040, 138420, 142265, 147648, 170718, 184560, 221472, 227624, 246080, 256077, 276840, 284530, 341436, 369120, 426795, 442944, 455248, 512154, 553680, 569060, 682872, 738240, 853590, 910496, 1024308, 1107360, 1138120, 1280385, 1365744, 1707180, 1820992, 2048616, 2214720, 2276240, 2560770, 2731488, 3414360, 4097232, 4552480, 5121540, 5462976, 6828720, 8194464, 9104960, 10243080, 13657440, 16388928, 20486160, 27314880, 40972320, 81944640]

約数ペア:

[(1, 81944640), (2, 40972320), (3, 27314880), (4, 20486160), (5, 16388928), (6, 13657440), (8, 10243080), (9, 9104960), (10, 8194464), (12, 6828720), (15, 5462976), (16, 5121540), (18, 4552480), (20, 4097232), (24, 3414360), (30, 2731488), (32, 2560770), (36, 2276240), (37, 2214720), (40, 2048616), (45, 1820992), (48, 1707180), (60, 1365744), (64, 1280385), (72, 1138120), (74, 1107360), (80, 1024308), (90, 910496), (96, 853590), (111, 738240), (120, 682872), (144, 569060), (148, 553680), (160, 512154), (180, 455248), (185, 442944), (192, 426795), (222, 369120), (240, 341436), (288, 284530), (296, 276840), (320, 256077), (333, 246080), (360, 227624), (370, 221472), (444, 184560), (480, 170718), (555, 147648), (576, 142265), (592, 138420), (666, 123040), (720, 113812), (740, 110736), (769, 106560), (888, 92280), (960, 85359), (1110, 73824), (1184, 69210), (1332, 61520), (1440, 56906), (1480, 55368), (1538, 53280), (1665, 49216), (1776, 46140), (2220, 36912), (2307, 35520), (2368, 34605), (2664, 30760), (2880, 28453), (2960, 27684), (3076, 26640), (3330, 24608), (3552, 23070), (3845, 21312), (4440, 18456), (4614, 17760), (5328, 15380), (5920, 13842), (6152, 13320), (6660, 12304), (6921, 11840), (7104, 11535), (7690, 10656), (8880, 9228)]