81520776

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 236966400

約数和(自身を除く): 155445624

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 67, 72, 86, 108, 129, 131, 134, 172, 201, 216, 258, 262, 268, 344, 387, 393, 402, 516, 524, 536, 603, 774, 786, 804, 1032, 1048, 1161, 1179, 1206, 1548, 1572, 1608, 1809, 2322, 2358, 2412, 2881, 3096, 3144, 3537, 3618, 4644, 4716, 4824, 5633, 5762, 7074, 7236, 8643, 8777, 9288, 9432, 11266, 11524, 14148, 14472, 16899, 17286, 17554, 22532, 23048, 25929, 26331, 28296, 33798, 34572, 35108, 45064, 50697, 51858, 52662, 67596, 69144, 70216, 77787, 78993, 101394, 103716, 105324, 135192, 152091, 155574, 157986, 202788, 207432, 210648, 236979, 304182, 311148, 315972, 377411, 405576, 473958, 608364, 622296, 631944, 754822, 947916, 1132233, 1216728, 1509644, 1895832, 2264466, 3019288, 3396699, 4528932, 6793398, 9057864, 10190097, 13586796, 20380194, 27173592, 40760388, 81520776]

約数ペア:

[(1, 81520776), (2, 40760388), (3, 27173592), (4, 20380194), (6, 13586796), (8, 10190097), (9, 9057864), (12, 6793398), (18, 4528932), (24, 3396699), (27, 3019288), (36, 2264466), (43, 1895832), (54, 1509644), (67, 1216728), (72, 1132233), (86, 947916), (108, 754822), (129, 631944), (131, 622296), (134, 608364), (172, 473958), (201, 405576), (216, 377411), (258, 315972), (262, 311148), (268, 304182), (344, 236979), (387, 210648), (393, 207432), (402, 202788), (516, 157986), (524, 155574), (536, 152091), (603, 135192), (774, 105324), (786, 103716), (804, 101394), (1032, 78993), (1048, 77787), (1161, 70216), (1179, 69144), (1206, 67596), (1548, 52662), (1572, 51858), (1608, 50697), (1809, 45064), (2322, 35108), (2358, 34572), (2412, 33798), (2881, 28296), (3096, 26331), (3144, 25929), (3537, 23048), (3618, 22532), (4644, 17554), (4716, 17286), (4824, 16899), (5633, 14472), (5762, 14148), (7074, 11524), (7236, 11266), (8643, 9432), (8777, 9288)]