81372330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 128

約数和(自身を含む): 237081600

約数和(自身を除く): 155709270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 97, 117, 130, 135, 194, 195, 234, 239, 270, 291, 351, 390, 478, 485, 582, 585, 702, 717, 873, 970, 1170, 1195, 1261, 1434, 1455, 1746, 1755, 2151, 2390, 2522, 2619, 2910, 3107, 3510, 3585, 3783, 4302, 4365, 5238, 6214, 6305, 6453, 7170, 7566, 8730, 9321, 10755, 11349, 12610, 12906, 13095, 15535, 18642, 18915, 21510, 22698, 23183, 26190, 27963, 31070, 32265, 34047, 37830, 46366, 46605, 55926, 56745, 64530, 68094, 69549, 83889, 93210, 113490, 115915, 139098, 139815, 167778, 170235, 208647, 231830, 279630, 301379, 340470, 347745, 417294, 419445, 602758, 625941, 695490, 838890, 904137, 1043235, 1251882, 1506895, 1808274, 2086470, 2712411, 3013790, 3129705, 4520685, 5424822, 6259410, 8137233, 9041370, 13562055, 16274466, 27124110, 40686165, 81372330]

約数ペア:

[(1, 81372330), (2, 40686165), (3, 27124110), (5, 16274466), (6, 13562055), (9, 9041370), (10, 8137233), (13, 6259410), (15, 5424822), (18, 4520685), (26, 3129705), (27, 3013790), (30, 2712411), (39, 2086470), (45, 1808274), (54, 1506895), (65, 1251882), (78, 1043235), (90, 904137), (97, 838890), (117, 695490), (130, 625941), (135, 602758), (194, 419445), (195, 417294), (234, 347745), (239, 340470), (270, 301379), (291, 279630), (351, 231830), (390, 208647), (478, 170235), (485, 167778), (582, 139815), (585, 139098), (702, 115915), (717, 113490), (873, 93210), (970, 83889), (1170, 69549), (1195, 68094), (1261, 64530), (1434, 56745), (1455, 55926), (1746, 46605), (1755, 46366), (2151, 37830), (2390, 34047), (2522, 32265), (2619, 31070), (2910, 27963), (3107, 26190), (3510, 23183), (3585, 22698), (3783, 21510), (4302, 18915), (4365, 18642), (5238, 15535), (6214, 13095), (6305, 12906), (6453, 12610), (7170, 11349), (7566, 10755), (8730, 9321)]