155621440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37409}}^1$

素因数の和:37439

約数の個数: 56

約数和(自身を含む): 399089880

約数和(自身を除く): 243468440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 37409, 74818, 149636, 187045, 299272, 374090, 486317, 598544, 748180, 972634, 1197088, 1496360, 1945268, 2394176, 2431585, 2992720, 3890536, 4863170, 5985440, 7781072, 9726340, 11970880, 15562144, 19452680, 31124288, 38905360, 77810720, 155621440]

約数ペア:

[(1, 155621440), (2, 77810720), (4, 38905360), (5, 31124288), (8, 19452680), (10, 15562144), (13, 11970880), (16, 9726340), (20, 7781072), (26, 5985440), (32, 4863170), (40, 3890536), (52, 2992720), (64, 2431585), (65, 2394176), (80, 1945268), (104, 1496360), (130, 1197088), (160, 972634), (208, 748180), (260, 598544), (320, 486317), (416, 374090), (520, 299272), (832, 187045), (1040, 149636), (2080, 74818), (4160, 37409)]