161656880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 500753664

約数和(自身を除く): 339096784

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 80, 88, 92, 98, 110, 112, 115, 140, 154, 161, 163, 176, 184, 196, 220, 230, 245, 253, 280, 308, 322, 326, 368, 385, 392, 440, 460, 490, 506, 539, 560, 616, 644, 652, 770, 784, 805, 815, 880, 920, 980, 1012, 1078, 1127, 1141, 1232, 1265, 1288, 1304, 1540, 1610, 1630, 1771, 1793, 1840, 1960, 2024, 2156, 2254, 2282, 2530, 2576, 2608, 2695, 3080, 3220, 3260, 3542, 3586, 3749, 3920, 4048, 4312, 4508, 4564, 5060, 5390, 5635, 5705, 6160, 6440, 6520, 7084, 7172, 7498, 7987, 8624, 8855, 8965, 9016, 9128, 10120, 10780, 11270, 11410, 12397, 12551, 12880, 13040, 14168, 14344, 14996, 15974, 17710, 17930, 18032, 18256, 18745, 20240, 21560, 22540, 22820, 24794, 25102, 26243, 28336, 28688, 29992, 31948, 35420, 35860, 37490, 39935, 41239, 43120, 45080, 45640, 49588, 50204, 52486, 59984, 61985, 62755, 63896, 70840, 71720, 74980, 79870, 82478, 87857, 90160, 91280, 99176, 100408, 104972, 123970, 125510, 127792, 131215, 141680, 143440, 149960, 159740, 164956, 175714, 183701, 198352, 200816, 206195, 209944, 247940, 251020, 262430, 288673, 299920, 319480, 329912, 351428, 367402, 412390, 419888, 439285, 495880, 502040, 524860, 577346, 638960, 659824, 702856, 734804, 824780, 878570, 918505, 991760, 1004080, 1049720, 1154692, 1405712, 1443365, 1469608, 1649560, 1757140, 1837010, 2020711, 2099440, 2309384, 2886730, 2939216, 3299120, 3514280, 3674020, 4041422, 4618768, 5773460, 7028560, 7348040, 8082844, 10103555, 11546920, 14696080, 16165688, 20207110, 23093840, 32331376, 40414220, 80828440, 161656880]

約数ペア:

[(1, 161656880), (2, 80828440), (4, 40414220), (5, 32331376), (7, 23093840), (8, 20207110), (10, 16165688), (11, 14696080), (14, 11546920), (16, 10103555), (20, 8082844), (22, 7348040), (23, 7028560), (28, 5773460), (35, 4618768), (40, 4041422), (44, 3674020), (46, 3514280), (49, 3299120), (55, 2939216), (56, 2886730), (70, 2309384), (77, 2099440), (80, 2020711), (88, 1837010), (92, 1757140), (98, 1649560), (110, 1469608), (112, 1443365), (115, 1405712), (140, 1154692), (154, 1049720), (161, 1004080), (163, 991760), (176, 918505), (184, 878570), (196, 824780), (220, 734804), (230, 702856), (245, 659824), (253, 638960), (280, 577346), (308, 524860), (322, 502040), (326, 495880), (368, 439285), (385, 419888), (392, 412390), (440, 367402), (460, 351428), (490, 329912), (506, 319480), (539, 299920), (560, 288673), (616, 262430), (644, 251020), (652, 247940), (770, 209944), (784, 206195), (805, 200816), (815, 198352), (880, 183701), (920, 175714), (980, 164956), (1012, 159740), (1078, 149960), (1127, 143440), (1141, 141680), (1232, 131215), (1265, 127792), (1288, 125510), (1304, 123970), (1540, 104972), (1610, 100408), (1630, 99176), (1771, 91280), (1793, 90160), (1840, 87857), (1960, 82478), (2024, 79870), (2156, 74980), (2254, 71720), (2282, 70840), (2530, 63896), (2576, 62755), (2608, 61985), (2695, 59984), (3080, 52486), (3220, 50204), (3260, 49588), (3542, 45640), (3586, 45080), (3749, 43120), (3920, 41239), (4048, 39935), (4312, 37490), (4508, 35860), (4564, 35420), (5060, 31948), (5390, 29992), (5635, 28688), (5705, 28336), (6160, 26243), (6440, 25102), (6520, 24794), (7084, 22820), (7172, 22540), (7498, 21560), (7987, 20240), (8624, 18745), (8855, 18256), (8965, 18032), (9016, 17930), (9128, 17710), (10120, 15974), (10780, 14996), (11270, 14344), (11410, 14168), (12397, 13040), (12551, 12880)]