81838380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 248371200

約数和(自身を除く): 166532820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 239, 260, 390, 439, 478, 717, 780, 878, 956, 1195, 1317, 1434, 1756, 2195, 2390, 2634, 2868, 3107, 3585, 4390, 4780, 5268, 5707, 6214, 6585, 7170, 8780, 9321, 11414, 12428, 13170, 14340, 15535, 17121, 18642, 22828, 26340, 28535, 31070, 34242, 37284, 46605, 57070, 62140, 68484, 85605, 93210, 104921, 114140, 171210, 186420, 209842, 314763, 342420, 419684, 524605, 629526, 1049210, 1259052, 1363973, 1573815, 2098420, 2727946, 3147630, 4091919, 5455892, 6295260, 6819865, 8183838, 13639730, 16367676, 20459595, 27279460, 40919190, 81838380]

約数ペア:

[(1, 81838380), (2, 40919190), (3, 27279460), (4, 20459595), (5, 16367676), (6, 13639730), (10, 8183838), (12, 6819865), (13, 6295260), (15, 5455892), (20, 4091919), (26, 3147630), (30, 2727946), (39, 2098420), (52, 1573815), (60, 1363973), (65, 1259052), (78, 1049210), (130, 629526), (156, 524605), (195, 419684), (239, 342420), (260, 314763), (390, 209842), (439, 186420), (478, 171210), (717, 114140), (780, 104921), (878, 93210), (956, 85605), (1195, 68484), (1317, 62140), (1434, 57070), (1756, 46605), (2195, 37284), (2390, 34242), (2634, 31070), (2868, 28535), (3107, 26340), (3585, 22828), (4390, 18642), (4780, 17121), (5268, 15535), (5707, 14340), (6214, 13170), (6585, 12428), (7170, 11414), (8780, 9321)]