642564156

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 192

約数和(自身を含む): 1788272640

約数和(自身を除く): 1145708484

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 31, 39, 46, 52, 53, 62, 69, 78, 92, 93, 106, 109, 124, 138, 156, 159, 186, 212, 218, 276, 299, 318, 327, 372, 403, 436, 598, 636, 654, 689, 713, 806, 897, 1196, 1209, 1219, 1308, 1378, 1417, 1426, 1612, 1643, 1794, 2067, 2139, 2418, 2438, 2507, 2756, 2834, 2852, 3286, 3379, 3588, 3657, 4134, 4251, 4278, 4836, 4876, 4929, 5014, 5668, 5777, 6572, 6758, 7314, 7521, 8268, 8502, 8556, 9269, 9858, 10028, 10137, 11554, 13516, 14628, 15042, 15847, 17004, 17331, 18538, 19716, 20274, 21359, 23108, 27807, 30084, 31694, 32591, 34662, 37076, 37789, 40548, 42718, 43927, 47541, 55614, 63388, 64077, 65182, 69324, 75101, 75578, 77717, 85436, 87854, 95082, 97773, 111228, 113367, 128154, 130364, 131781, 132871, 150202, 151156, 155434, 175708, 179087, 190164, 195546, 225303, 226734, 233151, 256308, 263562, 265742, 300404, 310868, 358174, 391092, 398613, 450606, 453468, 466302, 491257, 527124, 531484, 537261, 716348, 797226, 901212, 932604, 982514, 1010321, 1074522, 1473771, 1594452, 1727323, 1965028, 2020642, 2149044, 2328131, 2947542, 3030963, 3454646, 4041284, 4119001, 4656262, 5181969, 5895084, 6061926, 6909292, 6984393, 8238002, 9312524, 10363938, 12123852, 12357003, 13968786, 16476004, 20727876, 24714006, 27937572, 49428012, 53547013, 107094026, 160641039, 214188052, 321282078, 642564156]

約数ペア:

[(1, 642564156), (2, 321282078), (3, 214188052), (4, 160641039), (6, 107094026), (12, 53547013), (13, 49428012), (23, 27937572), (26, 24714006), (31, 20727876), (39, 16476004), (46, 13968786), (52, 12357003), (53, 12123852), (62, 10363938), (69, 9312524), (78, 8238002), (92, 6984393), (93, 6909292), (106, 6061926), (109, 5895084), (124, 5181969), (138, 4656262), (156, 4119001), (159, 4041284), (186, 3454646), (212, 3030963), (218, 2947542), (276, 2328131), (299, 2149044), (318, 2020642), (327, 1965028), (372, 1727323), (403, 1594452), (436, 1473771), (598, 1074522), (636, 1010321), (654, 982514), (689, 932604), (713, 901212), (806, 797226), (897, 716348), (1196, 537261), (1209, 531484), (1219, 527124), (1308, 491257), (1378, 466302), (1417, 453468), (1426, 450606), (1612, 398613), (1643, 391092), (1794, 358174), (2067, 310868), (2139, 300404), (2418, 265742), (2438, 263562), (2507, 256308), (2756, 233151), (2834, 226734), (2852, 225303), (3286, 195546), (3379, 190164), (3588, 179087), (3657, 175708), (4134, 155434), (4251, 151156), (4278, 150202), (4836, 132871), (4876, 131781), (4929, 130364), (5014, 128154), (5668, 113367), (5777, 111228), (6572, 97773), (6758, 95082), (7314, 87854), (7521, 85436), (8268, 77717), (8502, 75578), (8556, 75101), (9269, 69324), (9858, 65182), (10028, 64077), (10137, 63388), (11554, 55614), (13516, 47541), (14628, 43927), (15042, 42718), (15847, 40548), (17004, 37789), (17331, 37076), (18538, 34662), (19716, 32591), (20274, 31694), (21359, 30084), (23108, 27807)]