81939384

素因数分解:

$2^3\times 3^3\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 239616000

約数和(自身を除く): 157676616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 29, 36, 54, 58, 72, 87, 103, 108, 116, 127, 174, 206, 216, 232, 254, 261, 309, 348, 381, 412, 508, 522, 618, 696, 762, 783, 824, 927, 1016, 1044, 1143, 1236, 1524, 1566, 1854, 2088, 2286, 2472, 2781, 2987, 3048, 3132, 3429, 3683, 3708, 4572, 5562, 5974, 6264, 6858, 7366, 7416, 8961, 9144, 11049, 11124, 11948, 13081, 13716, 14732, 17922, 22098, 22248, 23896, 26162, 26883, 27432, 29464, 33147, 35844, 39243, 44196, 52324, 53766, 66294, 71688, 78486, 80649, 88392, 99441, 104648, 107532, 117729, 132588, 156972, 161298, 198882, 215064, 235458, 265176, 313944, 322596, 353187, 379349, 397764, 470916, 645192, 706374, 758698, 795528, 941832, 1138047, 1412748, 1517396, 2276094, 2825496, 3034792, 3414141, 4552188, 6828282, 9104376, 10242423, 13656564, 20484846, 27313128, 40969692, 81939384]

約数ペア:

[(1, 81939384), (2, 40969692), (3, 27313128), (4, 20484846), (6, 13656564), (8, 10242423), (9, 9104376), (12, 6828282), (18, 4552188), (24, 3414141), (27, 3034792), (29, 2825496), (36, 2276094), (54, 1517396), (58, 1412748), (72, 1138047), (87, 941832), (103, 795528), (108, 758698), (116, 706374), (127, 645192), (174, 470916), (206, 397764), (216, 379349), (232, 353187), (254, 322596), (261, 313944), (309, 265176), (348, 235458), (381, 215064), (412, 198882), (508, 161298), (522, 156972), (618, 132588), (696, 117729), (762, 107532), (783, 104648), (824, 99441), (927, 88392), (1016, 80649), (1044, 78486), (1143, 71688), (1236, 66294), (1524, 53766), (1566, 52324), (1854, 44196), (2088, 39243), (2286, 35844), (2472, 33147), (2781, 29464), (2987, 27432), (3048, 26883), (3132, 26162), (3429, 23896), (3683, 22248), (3708, 22098), (4572, 17922), (5562, 14732), (5974, 13716), (6264, 13081), (6858, 11948), (7366, 11124), (7416, 11049), (8961, 9144)]