7981567920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{751}}^1$

素因数の和:1308

約数の個数: 240

約数和(自身を含む): 27820540800

約数和(自身を除く): 19838972880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 509, 522, 580, 696, 720, 751, 870, 1018, 1044, 1160, 1305, 1392, 1502, 1527, 1740, 2036, 2088, 2253, 2320, 2545, 2610, 3004, 3054, 3480, 3755, 4072, 4176, 4506, 4581, 5090, 5220, 6008, 6108, 6759, 6960, 7510, 7635, 8144, 9012, 9162, 10180, 10440, 11265, 12016, 12216, 13518, 14761, 15020, 15270, 18024, 18324, 20360, 20880, 21779, 22530, 22905, 24432, 27036, 29522, 30040, 30540, 33795, 36048, 36648, 40720, 43558, 44283, 45060, 45810, 54072, 59044, 60080, 61080, 65337, 67590, 73296, 73805, 87116, 88566, 90120, 91620, 108144, 108895, 118088, 122160, 130674, 132849, 135180, 147610, 174232, 177132, 180240, 183240, 196011, 217790, 221415, 236176, 261348, 265698, 270360, 295220, 326685, 348464, 354264, 366480, 382259, 392022, 435580, 442830, 522696, 531396, 540720, 590440, 653370, 664245, 708528, 764518, 784044, 871160, 885660, 980055, 1045392, 1062792, 1146777, 1180880, 1306740, 1328490, 1529036, 1568088, 1742320, 1771320, 1911295, 1960110, 2125584, 2293554, 2613480, 2656980, 3058072, 3136176, 3440331, 3542640, 3822590, 3920220, 4587108, 5226960, 5313960, 5733885, 6116144, 6880662, 7645180, 7840440, 9174216, 10627920, 11085511, 11467770, 13761324, 15290360, 15680880, 17201655, 18348432, 22171022, 22935540, 27522648, 30580720, 33256533, 34403310, 44342044, 45871080, 55045296, 55427555, 66513066, 68806620, 88684088, 91742160, 99769599, 110855110, 133026132, 137613240, 166282665, 177368176, 199539198, 221710220, 266052264, 275226480, 332565330, 399078396, 443420440, 498847995, 532104528, 665130660, 798156792, 886840880, 997695990, 1330261320, 1596313584, 1995391980, 2660522640, 3990783960, 7981567920]

約数ペア:

[(1, 7981567920), (2, 3990783960), (3, 2660522640), (4, 1995391980), (5, 1596313584), (6, 1330261320), (8, 997695990), (9, 886840880), (10, 798156792), (12, 665130660), (15, 532104528), (16, 498847995), (18, 443420440), (20, 399078396), (24, 332565330), (29, 275226480), (30, 266052264), (36, 221710220), (40, 199539198), (45, 177368176), (48, 166282665), (58, 137613240), (60, 133026132), (72, 110855110), (80, 99769599), (87, 91742160), (90, 88684088), (116, 68806620), (120, 66513066), (144, 55427555), (145, 55045296), (174, 45871080), (180, 44342044), (232, 34403310), (240, 33256533), (261, 30580720), (290, 27522648), (348, 22935540), (360, 22171022), (435, 18348432), (464, 17201655), (509, 15680880), (522, 15290360), (580, 13761324), (696, 11467770), (720, 11085511), (751, 10627920), (870, 9174216), (1018, 7840440), (1044, 7645180), (1160, 6880662), (1305, 6116144), (1392, 5733885), (1502, 5313960), (1527, 5226960), (1740, 4587108), (2036, 3920220), (2088, 3822590), (2253, 3542640), (2320, 3440331), (2545, 3136176), (2610, 3058072), (3004, 2656980), (3054, 2613480), (3480, 2293554), (3755, 2125584), (4072, 1960110), (4176, 1911295), (4506, 1771320), (4581, 1742320), (5090, 1568088), (5220, 1529036), (6008, 1328490), (6108, 1306740), (6759, 1180880), (6960, 1146777), (7510, 1062792), (7635, 1045392), (8144, 980055), (9012, 885660), (9162, 871160), (10180, 784044), (10440, 764518), (11265, 708528), (12016, 664245), (12216, 653370), (13518, 590440), (14761, 540720), (15020, 531396), (15270, 522696), (18024, 442830), (18324, 435580), (20360, 392022), (20880, 382259), (21779, 366480), (22530, 354264), (22905, 348464), (24432, 326685), (27036, 295220), (29522, 270360), (30040, 265698), (30540, 261348), (33795, 236176), (36048, 221415), (36648, 217790), (40720, 196011), (43558, 183240), (44283, 180240), (45060, 177132), (45810, 174232), (54072, 147610), (59044, 135180), (60080, 132849), (61080, 130674), (65337, 122160), (67590, 118088), (73296, 108895), (73805, 108144), (87116, 91620), (88566, 90120)]