18157920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 47886240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 181, 190, 209, 220, 228, 240, 264, 285, 304, 330, 352, 362, 380, 418, 440, 456, 480, 528, 543, 570, 608, 627, 660, 724, 760, 836, 880, 905, 912, 1045, 1056, 1086, 1140, 1254, 1320, 1448, 1520, 1672, 1760, 1810, 1824, 1991, 2090, 2172, 2280, 2508, 2640, 2715, 2896, 3040, 3135, 3344, 3439, 3620, 3982, 4180, 4344, 4560, 5016, 5280, 5430, 5792, 5973, 6270, 6688, 6878, 7240, 7964, 8360, 8688, 9120, 9955, 10032, 10317, 10860, 11946, 12540, 13756, 14480, 15928, 16720, 17195, 17376, 19910, 20064, 20634, 21720, 23892, 25080, 27512, 28960, 29865, 31856, 33440, 34390, 37829, 39820, 41268, 43440, 47784, 50160, 51585, 55024, 59730, 63712, 68780, 75658, 79640, 82536, 86880, 95568, 100320, 103170, 110048, 113487, 119460, 137560, 151316, 159280, 165072, 189145, 191136, 206340, 226974, 238920, 275120, 302632, 318560, 330144, 378290, 412680, 453948, 477840, 550240, 567435, 605264, 756580, 825360, 907896, 955680, 1134870, 1210528, 1513160, 1650720, 1815792, 2269740, 3026320, 3631584, 4539480, 6052640, 9078960, 18157920]

約数ペア:

[(1, 18157920), (2, 9078960), (3, 6052640), (4, 4539480), (5, 3631584), (6, 3026320), (8, 2269740), (10, 1815792), (11, 1650720), (12, 1513160), (15, 1210528), (16, 1134870), (19, 955680), (20, 907896), (22, 825360), (24, 756580), (30, 605264), (32, 567435), (33, 550240), (38, 477840), (40, 453948), (44, 412680), (48, 378290), (55, 330144), (57, 318560), (60, 302632), (66, 275120), (76, 238920), (80, 226974), (88, 206340), (95, 191136), (96, 189145), (110, 165072), (114, 159280), (120, 151316), (132, 137560), (152, 119460), (160, 113487), (165, 110048), (176, 103170), (181, 100320), (190, 95568), (209, 86880), (220, 82536), (228, 79640), (240, 75658), (264, 68780), (285, 63712), (304, 59730), (330, 55024), (352, 51585), (362, 50160), (380, 47784), (418, 43440), (440, 41268), (456, 39820), (480, 37829), (528, 34390), (543, 33440), (570, 31856), (608, 29865), (627, 28960), (660, 27512), (724, 25080), (760, 23892), (836, 21720), (880, 20634), (905, 20064), (912, 19910), (1045, 17376), (1056, 17195), (1086, 16720), (1140, 15928), (1254, 14480), (1320, 13756), (1448, 12540), (1520, 11946), (1672, 10860), (1760, 10317), (1810, 10032), (1824, 9955), (1991, 9120), (2090, 8688), (2172, 8360), (2280, 7964), (2508, 7240), (2640, 6878), (2715, 6688), (2896, 6270), (3040, 5973), (3135, 5792), (3344, 5430), (3439, 5280), (3620, 5016), (3982, 4560), (4180, 4344)]