639756920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 1737352800

約数和(自身を除く): 1097595880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 89, 110, 124, 136, 155, 170, 178, 187, 220, 248, 310, 340, 341, 356, 374, 440, 445, 527, 620, 680, 682, 712, 748, 890, 935, 961, 979, 1054, 1240, 1364, 1496, 1513, 1705, 1780, 1870, 1922, 1958, 2108, 2635, 2728, 2759, 3026, 3410, 3560, 3740, 3844, 3916, 4216, 4805, 4895, 5270, 5518, 5797, 6052, 6820, 7480, 7565, 7688, 7832, 9610, 9790, 10540, 10571, 11036, 11594, 12104, 13640, 13795, 15130, 16337, 16643, 19220, 19580, 21080, 21142, 22072, 23188, 27590, 28985, 30260, 30349, 32674, 33286, 38440, 39160, 42284, 46376, 46903, 52855, 55180, 57970, 60520, 60698, 65348, 66572, 81685, 83215, 84568, 85529, 93806, 105710, 110360, 115940, 121396, 130696, 133144, 151745, 163370, 166430, 171058, 179707, 187612, 211420, 231880, 234515, 242792, 303490, 326740, 332860, 342116, 359414, 375224, 422840, 427645, 469030, 515933, 606980, 653480, 665720, 684232, 718828, 855290, 898535, 938060, 940819, 1031866, 1213960, 1437656, 1453993, 1710580, 1797070, 1876120, 1881638, 2063732, 2579665, 2907986, 3421160, 3594140, 3763276, 4127464, 4704095, 5159330, 5815972, 7188280, 7269965, 7526552, 9408190, 10318660, 11631944, 14539930, 15993923, 18816380, 20637320, 29079860, 31987846, 37632760, 58159720, 63975692, 79969615, 127951384, 159939230, 319878460, 639756920]

約数ペア:

[(1, 639756920), (2, 319878460), (4, 159939230), (5, 127951384), (8, 79969615), (10, 63975692), (11, 58159720), (17, 37632760), (20, 31987846), (22, 29079860), (31, 20637320), (34, 18816380), (40, 15993923), (44, 14539930), (55, 11631944), (62, 10318660), (68, 9408190), (85, 7526552), (88, 7269965), (89, 7188280), (110, 5815972), (124, 5159330), (136, 4704095), (155, 4127464), (170, 3763276), (178, 3594140), (187, 3421160), (220, 2907986), (248, 2579665), (310, 2063732), (340, 1881638), (341, 1876120), (356, 1797070), (374, 1710580), (440, 1453993), (445, 1437656), (527, 1213960), (620, 1031866), (680, 940819), (682, 938060), (712, 898535), (748, 855290), (890, 718828), (935, 684232), (961, 665720), (979, 653480), (1054, 606980), (1240, 515933), (1364, 469030), (1496, 427645), (1513, 422840), (1705, 375224), (1780, 359414), (1870, 342116), (1922, 332860), (1958, 326740), (2108, 303490), (2635, 242792), (2728, 234515), (2759, 231880), (3026, 211420), (3410, 187612), (3560, 179707), (3740, 171058), (3844, 166430), (3916, 163370), (4216, 151745), (4805, 133144), (4895, 130696), (5270, 121396), (5518, 115940), (5797, 110360), (6052, 105710), (6820, 93806), (7480, 85529), (7565, 84568), (7688, 83215), (7832, 81685), (9610, 66572), (9790, 65348), (10540, 60698), (10571, 60520), (11036, 57970), (11594, 55180), (12104, 52855), (13640, 46903), (13795, 46376), (15130, 42284), (16337, 39160), (16643, 38440), (19220, 33286), (19580, 32674), (21080, 30349), (21142, 30260), (22072, 28985), (23188, 27590)]