15697075720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{389699}}^1$

素因数の和:389782

約数の個数: 64

約数和(自身を含む): 37878840000

約数和(自身を除く): 22181764280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 4028, 5035, 8056, 10070, 20140, 40280, 389699, 779398, 1558796, 1948495, 3117592, 3896990, 7404281, 7793980, 14808562, 15587960, 20654047, 29617124, 37021405, 41308094, 59234248, 74042810, 82616188, 103270235, 148085620, 165232376, 206540470, 296171240, 392426893, 413080940, 784853786, 826161880, 1569707572, 1962134465, 3139415144, 3924268930, 7848537860, 15697075720]

約数ペア:

[(1, 15697075720), (2, 7848537860), (4, 3924268930), (5, 3139415144), (8, 1962134465), (10, 1569707572), (19, 826161880), (20, 784853786), (38, 413080940), (40, 392426893), (53, 296171240), (76, 206540470), (95, 165232376), (106, 148085620), (152, 103270235), (190, 82616188), (212, 74042810), (265, 59234248), (380, 41308094), (424, 37021405), (530, 29617124), (760, 20654047), (1007, 15587960), (1060, 14808562), (2014, 7793980), (2120, 7404281), (4028, 3896990), (5035, 3117592), (8056, 1948495), (10070, 1558796), (20140, 779398), (40280, 389699)]