78511270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 155722176

約数和(自身を除く): 77210906

約数列:

[1, 2, 5, 10, 17, 34, 61, 67, 85, 113, 122, 134, 170, 226, 305, 335, 565, 610, 670, 1037, 1130, 1139, 1921, 2074, 2278, 3842, 4087, 5185, 5695, 6893, 7571, 8174, 9605, 10370, 11390, 13786, 15142, 19210, 20435, 34465, 37855, 40870, 68930, 69479, 75710, 117181, 128707, 138958, 234362, 257414, 347395, 461831, 585905, 643535, 694790, 923662, 1171810, 1287070, 2309155, 4618310, 7851127, 15702254, 39255635, 78511270]

約数ペア:

[(1, 78511270), (2, 39255635), (5, 15702254), (10, 7851127), (17, 4618310), (34, 2309155), (61, 1287070), (67, 1171810), (85, 923662), (113, 694790), (122, 643535), (134, 585905), (170, 461831), (226, 347395), (305, 257414), (335, 234362), (565, 138958), (610, 128707), (670, 117181), (1037, 75710), (1130, 69479), (1139, 68930), (1921, 40870), (2074, 37855), (2278, 34465), (3842, 20435), (4087, 19210), (5185, 15142), (5695, 13786), (6893, 11390), (7571, 10370), (8174, 9605)]