15697562380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{261017}}^1$

素因数の和:261154

約数の個数: 48

約数和(自身を含む): 34379202816

約数和(自身を除く): 18681640436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 485, 620, 970, 1940, 3007, 6014, 12028, 15035, 30070, 60140, 261017, 522034, 1044068, 1305085, 2610170, 5220340, 8091527, 16183054, 25318649, 32366108, 40457635, 50637298, 80915270, 101274596, 126593245, 161830540, 253186490, 506372980, 784878119, 1569756238, 3139512476, 3924390595, 7848781190, 15697562380]

約数ペア:

[(1, 15697562380), (2, 7848781190), (4, 3924390595), (5, 3139512476), (10, 1569756238), (20, 784878119), (31, 506372980), (62, 253186490), (97, 161830540), (124, 126593245), (155, 101274596), (194, 80915270), (310, 50637298), (388, 40457635), (485, 32366108), (620, 25318649), (970, 16183054), (1940, 8091527), (3007, 5220340), (6014, 2610170), (12028, 1305085), (15035, 1044068), (30070, 522034), (60140, 261017)]