81372816

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:474

約数の個数: 160

約数和(自身を含む): 271411200

約数和(自身を除く): 190038384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 71, 72, 84, 108, 112, 126, 142, 144, 168, 189, 213, 216, 252, 284, 336, 378, 379, 426, 432, 497, 504, 568, 639, 756, 758, 852, 994, 1008, 1136, 1137, 1278, 1491, 1512, 1516, 1704, 1917, 1988, 2274, 2556, 2653, 2982, 3024, 3032, 3408, 3411, 3834, 3976, 4473, 4548, 5112, 5306, 5964, 6064, 6822, 7668, 7952, 7959, 8946, 9096, 10224, 10233, 10612, 11928, 13419, 13644, 15336, 15918, 17892, 18192, 20466, 21224, 23856, 23877, 26838, 26909, 27288, 30672, 31836, 35784, 40932, 42448, 47754, 53676, 53818, 54576, 63672, 71568, 71631, 80727, 81864, 95508, 107352, 107636, 127344, 143262, 161454, 163728, 188363, 191016, 214704, 215272, 242181, 286524, 322908, 376726, 382032, 430544, 484362, 565089, 573048, 645816, 726543, 753452, 968724, 1130178, 1146096, 1291632, 1453086, 1506904, 1695267, 1937448, 2260356, 2906172, 3013808, 3390534, 3874896, 4520712, 5085801, 5812344, 6781068, 9041424, 10171602, 11624688, 13562136, 20343204, 27124272, 40686408, 81372816]

約数ペア:

[(1, 81372816), (2, 40686408), (3, 27124272), (4, 20343204), (6, 13562136), (7, 11624688), (8, 10171602), (9, 9041424), (12, 6781068), (14, 5812344), (16, 5085801), (18, 4520712), (21, 3874896), (24, 3390534), (27, 3013808), (28, 2906172), (36, 2260356), (42, 1937448), (48, 1695267), (54, 1506904), (56, 1453086), (63, 1291632), (71, 1146096), (72, 1130178), (84, 968724), (108, 753452), (112, 726543), (126, 645816), (142, 573048), (144, 565089), (168, 484362), (189, 430544), (213, 382032), (216, 376726), (252, 322908), (284, 286524), (336, 242181), (378, 215272), (379, 214704), (426, 191016), (432, 188363), (497, 163728), (504, 161454), (568, 143262), (639, 127344), (756, 107636), (758, 107352), (852, 95508), (994, 81864), (1008, 80727), (1136, 71631), (1137, 71568), (1278, 63672), (1491, 54576), (1512, 53818), (1516, 53676), (1704, 47754), (1917, 42448), (1988, 40932), (2274, 35784), (2556, 31836), (2653, 30672), (2982, 27288), (3024, 26909), (3032, 26838), (3408, 23877), (3411, 23856), (3834, 21224), (3976, 20466), (4473, 18192), (4548, 17892), (5112, 15918), (5306, 15336), (5964, 13644), (6064, 13419), (6822, 11928), (7668, 10612), (7952, 10233), (7959, 10224), (8946, 9096)]