82908320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 228378528

約数和(自身を除く): 145470208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 163, 170, 176, 187, 220, 272, 289, 326, 340, 352, 374, 440, 544, 578, 652, 680, 748, 815, 880, 935, 1156, 1304, 1360, 1445, 1496, 1630, 1760, 1793, 1870, 2312, 2608, 2720, 2771, 2890, 2992, 3179, 3260, 3586, 3740, 4624, 5216, 5542, 5780, 5984, 6358, 6520, 7172, 7480, 8965, 9248, 11084, 11560, 12716, 13040, 13855, 14344, 14960, 15895, 17930, 22168, 23120, 25432, 26080, 27710, 28688, 29920, 30481, 31790, 35860, 44336, 46240, 47107, 50864, 55420, 57376, 60962, 63580, 71720, 88672, 94214, 101728, 110840, 121924, 127160, 143440, 152405, 188428, 221680, 235535, 243848, 254320, 286880, 304810, 376856, 443360, 471070, 487696, 508640, 518177, 609620, 753712, 942140, 975392, 1036354, 1219240, 1507424, 1884280, 2072708, 2438480, 2590885, 3768560, 4145416, 4876960, 5181770, 7537120, 8290832, 10363540, 16581664, 20727080, 41454160, 82908320]

約数ペア:

[(1, 82908320), (2, 41454160), (4, 20727080), (5, 16581664), (8, 10363540), (10, 8290832), (11, 7537120), (16, 5181770), (17, 4876960), (20, 4145416), (22, 3768560), (32, 2590885), (34, 2438480), (40, 2072708), (44, 1884280), (55, 1507424), (68, 1219240), (80, 1036354), (85, 975392), (88, 942140), (110, 753712), (136, 609620), (160, 518177), (163, 508640), (170, 487696), (176, 471070), (187, 443360), (220, 376856), (272, 304810), (289, 286880), (326, 254320), (340, 243848), (352, 235535), (374, 221680), (440, 188428), (544, 152405), (578, 143440), (652, 127160), (680, 121924), (748, 110840), (815, 101728), (880, 94214), (935, 88672), (1156, 71720), (1304, 63580), (1360, 60962), (1445, 57376), (1496, 55420), (1630, 50864), (1760, 47107), (1793, 46240), (1870, 44336), (2312, 35860), (2608, 31790), (2720, 30481), (2771, 29920), (2890, 28688), (2992, 27710), (3179, 26080), (3260, 25432), (3586, 23120), (3740, 22168), (4624, 17930), (5216, 15895), (5542, 14960), (5780, 14344), (5984, 13855), (6358, 13040), (6520, 12716), (7172, 11560), (7480, 11084), (8965, 9248)]