81318744

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 245798280

約数和(自身を除く): 164479536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 41, 52, 72, 78, 82, 104, 117, 123, 156, 163, 164, 169, 234, 246, 312, 326, 328, 338, 369, 468, 489, 492, 507, 533, 652, 676, 738, 936, 978, 984, 1014, 1066, 1304, 1352, 1467, 1476, 1521, 1599, 1956, 2028, 2119, 2132, 2934, 2952, 3042, 3198, 3912, 4056, 4238, 4264, 4797, 5868, 6084, 6357, 6396, 6683, 6929, 8476, 9594, 11736, 12168, 12714, 12792, 13366, 13858, 16952, 19071, 19188, 20049, 20787, 25428, 26732, 27547, 27716, 38142, 38376, 40098, 41574, 50856, 53464, 55094, 55432, 60147, 62361, 76284, 80196, 82641, 83148, 86879, 110188, 120294, 124722, 152568, 160392, 165282, 166296, 173758, 220376, 240588, 247923, 249444, 260637, 330564, 347516, 481176, 495846, 498888, 521274, 661128, 695032, 781911, 991692, 1042548, 1129427, 1563822, 1983384, 2085096, 2258854, 3127644, 3388281, 4517708, 6255288, 6776562, 9035416, 10164843, 13553124, 20329686, 27106248, 40659372, 81318744]

約数ペア:

[(1, 81318744), (2, 40659372), (3, 27106248), (4, 20329686), (6, 13553124), (8, 10164843), (9, 9035416), (12, 6776562), (13, 6255288), (18, 4517708), (24, 3388281), (26, 3127644), (36, 2258854), (39, 2085096), (41, 1983384), (52, 1563822), (72, 1129427), (78, 1042548), (82, 991692), (104, 781911), (117, 695032), (123, 661128), (156, 521274), (163, 498888), (164, 495846), (169, 481176), (234, 347516), (246, 330564), (312, 260637), (326, 249444), (328, 247923), (338, 240588), (369, 220376), (468, 173758), (489, 166296), (492, 165282), (507, 160392), (533, 152568), (652, 124722), (676, 120294), (738, 110188), (936, 86879), (978, 83148), (984, 82641), (1014, 80196), (1066, 76284), (1304, 62361), (1352, 60147), (1467, 55432), (1476, 55094), (1521, 53464), (1599, 50856), (1956, 41574), (2028, 40098), (2119, 38376), (2132, 38142), (2934, 27716), (2952, 27547), (3042, 26732), (3198, 25428), (3912, 20787), (4056, 20049), (4238, 19188), (4264, 19071), (4797, 16952), (5868, 13858), (6084, 13366), (6357, 12792), (6396, 12714), (6683, 12168), (6929, 11736), (8476, 9594)]