12157026880

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999511}}^1$

素因数の和:1999547

約数の個数: 56

約数和(自身を含む): 30472562880

約数和(自身を除く): 18315536000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 1999511, 3999022, 7998044, 9997555, 15996088, 19995110, 31992176, 37990709, 39990220, 63984352, 75981418, 79980440, 127968704, 151962836, 159960880, 189953545, 303925672, 319921760, 379907090, 607851344, 639843520, 759814180, 1215702688, 1519628360, 2431405376, 3039256720, 6078513440, 12157026880]

約数ペア:

[(1, 12157026880), (2, 6078513440), (4, 3039256720), (5, 2431405376), (8, 1519628360), (10, 1215702688), (16, 759814180), (19, 639843520), (20, 607851344), (32, 379907090), (38, 319921760), (40, 303925672), (64, 189953545), (76, 159960880), (80, 151962836), (95, 127968704), (152, 79980440), (160, 75981418), (190, 63984352), (304, 39990220), (320, 37990709), (380, 31992176), (608, 19995110), (760, 15996088), (1216, 9997555), (1520, 7998044), (3040, 3999022), (6080, 1999511)]