81660384

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1329

約数の個数: 144

約数和(自身を含む): 265002192

約数和(自身を除く): 183341808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 204, 208, 221, 234, 272, 288, 306, 312, 408, 416, 442, 468, 544, 612, 624, 663, 816, 884, 936, 1224, 1248, 1283, 1326, 1632, 1768, 1872, 1989, 2448, 2566, 2652, 3536, 3744, 3849, 3978, 4896, 5132, 5304, 7072, 7698, 7956, 10264, 10608, 11547, 15396, 15912, 16679, 20528, 21216, 21811, 23094, 30792, 31824, 33358, 41056, 43622, 46188, 50037, 61584, 63648, 65433, 66716, 87244, 92376, 100074, 123168, 130866, 133432, 150111, 174488, 184752, 196299, 200148, 261732, 266864, 283543, 300222, 348976, 369504, 392598, 400296, 523464, 533728, 567086, 600444, 697952, 785196, 800592, 850629, 1046928, 1134172, 1200888, 1570392, 1601184, 1701258, 2093856, 2268344, 2401776, 2551887, 3140784, 3402516, 4536688, 4803552, 5103774, 6281568, 6805032, 9073376, 10207548, 13610064, 20415096, 27220128, 40830192, 81660384]

約数ペア:

[(1, 81660384), (2, 40830192), (3, 27220128), (4, 20415096), (6, 13610064), (8, 10207548), (9, 9073376), (12, 6805032), (13, 6281568), (16, 5103774), (17, 4803552), (18, 4536688), (24, 3402516), (26, 3140784), (32, 2551887), (34, 2401776), (36, 2268344), (39, 2093856), (48, 1701258), (51, 1601184), (52, 1570392), (68, 1200888), (72, 1134172), (78, 1046928), (96, 850629), (102, 800592), (104, 785196), (117, 697952), (136, 600444), (144, 567086), (153, 533728), (156, 523464), (204, 400296), (208, 392598), (221, 369504), (234, 348976), (272, 300222), (288, 283543), (306, 266864), (312, 261732), (408, 200148), (416, 196299), (442, 184752), (468, 174488), (544, 150111), (612, 133432), (624, 130866), (663, 123168), (816, 100074), (884, 92376), (936, 87244), (1224, 66716), (1248, 65433), (1283, 63648), (1326, 61584), (1632, 50037), (1768, 46188), (1872, 43622), (1989, 41056), (2448, 33358), (2566, 31824), (2652, 30792), (3536, 23094), (3744, 21811), (3849, 21216), (3978, 20528), (4896, 16679), (5132, 15912), (5304, 15396), (7072, 11547), (7698, 10608), (7956, 10264)]