18707760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{2887}}^1$

素因数の和:2912

約数の個数: 100

約数和(自身を含む): 64997328

約数和(自身を除く): 46289568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 2887, 3240, 5774, 6480, 8661, 11548, 14435, 17322, 23096, 25983, 28870, 34644, 43305, 46192, 51966, 57740, 69288, 77949, 86610, 103932, 115480, 129915, 138576, 155898, 173220, 207864, 230960, 233847, 259830, 311796, 346440, 389745, 415728, 467694, 519660, 623592, 692880, 779490, 935388, 1039320, 1169235, 1247184, 1558980, 1870776, 2078640, 2338470, 3117960, 3741552, 4676940, 6235920, 9353880, 18707760]

約数ペア:

[(1, 18707760), (2, 9353880), (3, 6235920), (4, 4676940), (5, 3741552), (6, 3117960), (8, 2338470), (9, 2078640), (10, 1870776), (12, 1558980), (15, 1247184), (16, 1169235), (18, 1039320), (20, 935388), (24, 779490), (27, 692880), (30, 623592), (36, 519660), (40, 467694), (45, 415728), (48, 389745), (54, 346440), (60, 311796), (72, 259830), (80, 233847), (81, 230960), (90, 207864), (108, 173220), (120, 155898), (135, 138576), (144, 129915), (162, 115480), (180, 103932), (216, 86610), (240, 77949), (270, 69288), (324, 57740), (360, 51966), (405, 46192), (432, 43305), (540, 34644), (648, 28870), (720, 25983), (810, 23096), (1080, 17322), (1296, 14435), (1620, 11548), (2160, 8661), (2887, 6480), (3240, 5774)]