81556177104

素因数分解:

$2^4\times 3^5\times {\mathrm{409}}^1\times {\mathrm{51287}}^1$

素因数の和:51719

約数の個数: 120

約数和(自身を含む): 237280854720

約数和(自身を除く): 155724677616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 409, 432, 486, 648, 818, 972, 1227, 1296, 1636, 1944, 2454, 3272, 3681, 3888, 4908, 6544, 7362, 9816, 11043, 14724, 19632, 22086, 29448, 33129, 44172, 51287, 58896, 66258, 88344, 99387, 102574, 132516, 153861, 176688, 198774, 205148, 265032, 307722, 397548, 410296, 461583, 530064, 615444, 795096, 820592, 923166, 1230888, 1384749, 1590192, 1846332, 2461776, 2769498, 3692664, 4154247, 5538996, 7385328, 8308494, 11077992, 12462741, 16616988, 20976383, 22155984, 24925482, 33233976, 41952766, 49850964, 62929149, 66467952, 83905532, 99701928, 125858298, 167811064, 188787447, 199403856, 251716596, 335622128, 377574894, 503433192, 566362341, 755149788, 1006866384, 1132724682, 1510299576, 1699087023, 2265449364, 3020599152, 3398174046, 4530898728, 5097261069, 6796348092, 9061797456, 10194522138, 13592696184, 20389044276, 27185392368, 40778088552, 81556177104]

約数ペア:

[(1, 81556177104), (2, 40778088552), (3, 27185392368), (4, 20389044276), (6, 13592696184), (8, 10194522138), (9, 9061797456), (12, 6796348092), (16, 5097261069), (18, 4530898728), (24, 3398174046), (27, 3020599152), (36, 2265449364), (48, 1699087023), (54, 1510299576), (72, 1132724682), (81, 1006866384), (108, 755149788), (144, 566362341), (162, 503433192), (216, 377574894), (243, 335622128), (324, 251716596), (409, 199403856), (432, 188787447), (486, 167811064), (648, 125858298), (818, 99701928), (972, 83905532), (1227, 66467952), (1296, 62929149), (1636, 49850964), (1944, 41952766), (2454, 33233976), (3272, 24925482), (3681, 22155984), (3888, 20976383), (4908, 16616988), (6544, 12462741), (7362, 11077992), (9816, 8308494), (11043, 7385328), (14724, 5538996), (19632, 4154247), (22086, 3692664), (29448, 2769498), (33129, 2461776), (44172, 1846332), (51287, 1590192), (58896, 1384749), (66258, 1230888), (88344, 923166), (99387, 820592), (102574, 795096), (132516, 615444), (153861, 530064), (176688, 461583), (198774, 410296), (205148, 397548), (265032, 307722)]