81032016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 239984640

約数和(自身を除く): 158952624

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 59, 62, 71, 78, 93, 104, 118, 124, 142, 156, 177, 186, 208, 213, 236, 248, 284, 312, 354, 372, 403, 426, 472, 496, 568, 624, 708, 744, 767, 806, 852, 923, 944, 1136, 1209, 1416, 1488, 1534, 1612, 1704, 1829, 1846, 2201, 2301, 2418, 2769, 2832, 3068, 3224, 3408, 3658, 3692, 4189, 4402, 4602, 4836, 5487, 5538, 6136, 6448, 6603, 7316, 7384, 8378, 8804, 9204, 9672, 10974, 11076, 12272, 12567, 13206, 14632, 14768, 16756, 17608, 18408, 19344, 21948, 22152, 23777, 25134, 26412, 28613, 29264, 33512, 35216, 36816, 43896, 44304, 47554, 50268, 52824, 54457, 57226, 67024, 71331, 85839, 87792, 95108, 100536, 105648, 108914, 114452, 129859, 142662, 163371, 171678, 190216, 201072, 217828, 228904, 259718, 285324, 326742, 343356, 380432, 389577, 435656, 457808, 519436, 570648, 653484, 686712, 779154, 871312, 1038872, 1141296, 1306968, 1373424, 1558308, 1688167, 2077744, 2613936, 3116616, 3376334, 5064501, 6233232, 6752668, 10129002, 13505336, 20258004, 27010672, 40516008, 81032016]

約数ペア:

[(1, 81032016), (2, 40516008), (3, 27010672), (4, 20258004), (6, 13505336), (8, 10129002), (12, 6752668), (13, 6233232), (16, 5064501), (24, 3376334), (26, 3116616), (31, 2613936), (39, 2077744), (48, 1688167), (52, 1558308), (59, 1373424), (62, 1306968), (71, 1141296), (78, 1038872), (93, 871312), (104, 779154), (118, 686712), (124, 653484), (142, 570648), (156, 519436), (177, 457808), (186, 435656), (208, 389577), (213, 380432), (236, 343356), (248, 326742), (284, 285324), (312, 259718), (354, 228904), (372, 217828), (403, 201072), (426, 190216), (472, 171678), (496, 163371), (568, 142662), (624, 129859), (708, 114452), (744, 108914), (767, 105648), (806, 100536), (852, 95108), (923, 87792), (944, 85839), (1136, 71331), (1209, 67024), (1416, 57226), (1488, 54457), (1534, 52824), (1612, 50268), (1704, 47554), (1829, 44304), (1846, 43896), (2201, 36816), (2301, 35216), (2418, 33512), (2769, 29264), (2832, 28613), (3068, 26412), (3224, 25134), (3408, 23777), (3658, 22152), (3692, 21948), (4189, 19344), (4402, 18408), (4602, 17608), (4836, 16756), (5487, 14768), (5538, 14632), (6136, 13206), (6448, 12567), (6603, 12272), (7316, 11076), (7384, 10974), (8378, 9672), (8804, 9204)]