80828440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 192

約数和(自身を含む): 242300160

約数和(自身を除く): 161471720

約数列:

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

約数ペア:

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