81875664

素因数分解:

$2^4\times 3^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 160

約数和(自身を含む): 258316800

約数和(自身を除く): 176441136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 36, 39, 48, 52, 54, 61, 72, 78, 104, 108, 117, 122, 144, 156, 183, 208, 216, 234, 239, 244, 312, 351, 366, 432, 468, 478, 488, 549, 624, 702, 717, 732, 793, 936, 956, 976, 1098, 1404, 1434, 1464, 1586, 1647, 1872, 1912, 2151, 2196, 2379, 2808, 2868, 2928, 3107, 3172, 3294, 3824, 4302, 4392, 4758, 5616, 5736, 6214, 6344, 6453, 6588, 7137, 8604, 8784, 9321, 9516, 11472, 12428, 12688, 12906, 13176, 14274, 14579, 17208, 18642, 19032, 21411, 24856, 25812, 26352, 27963, 28548, 29158, 34416, 37284, 38064, 42822, 43737, 49712, 51624, 55926, 57096, 58316, 74568, 83889, 85644, 87474, 103248, 111852, 114192, 116632, 131211, 149136, 167778, 171288, 174948, 189527, 223704, 233264, 262422, 335556, 342576, 349896, 379054, 393633, 447408, 524844, 568581, 671112, 699792, 758108, 787266, 1049688, 1137162, 1342224, 1516216, 1574532, 1705743, 2099376, 2274324, 3032432, 3149064, 3411486, 4548648, 5117229, 6298128, 6822972, 9097296, 10234458, 13645944, 20468916, 27291888, 40937832, 81875664]

約数ペア:

[(1, 81875664), (2, 40937832), (3, 27291888), (4, 20468916), (6, 13645944), (8, 10234458), (9, 9097296), (12, 6822972), (13, 6298128), (16, 5117229), (18, 4548648), (24, 3411486), (26, 3149064), (27, 3032432), (36, 2274324), (39, 2099376), (48, 1705743), (52, 1574532), (54, 1516216), (61, 1342224), (72, 1137162), (78, 1049688), (104, 787266), (108, 758108), (117, 699792), (122, 671112), (144, 568581), (156, 524844), (183, 447408), (208, 393633), (216, 379054), (234, 349896), (239, 342576), (244, 335556), (312, 262422), (351, 233264), (366, 223704), (432, 189527), (468, 174948), (478, 171288), (488, 167778), (549, 149136), (624, 131211), (702, 116632), (717, 114192), (732, 111852), (793, 103248), (936, 87474), (956, 85644), (976, 83889), (1098, 74568), (1404, 58316), (1434, 57096), (1464, 55926), (1586, 51624), (1647, 49712), (1872, 43737), (1912, 42822), (2151, 38064), (2196, 37284), (2379, 34416), (2808, 29158), (2868, 28548), (2928, 27963), (3107, 26352), (3172, 25812), (3294, 24856), (3824, 21411), (4302, 19032), (4392, 18642), (4758, 17208), (5616, 14579), (5736, 14274), (6214, 13176), (6344, 12906), (6453, 12688), (6588, 12428), (7137, 11472), (8604, 9516), (8784, 9321)]