15210007660

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^2\times {\mathrm{2557}}^1$

素因数の和:2767

約数の個数: 72

約数和(自身を含む): 32959216080

約数和(自身を除く): 17749208420

約数列:

[1, 2, 4, 5, 10, 20, 59, 71, 118, 142, 236, 284, 295, 355, 590, 710, 1180, 1420, 2557, 4189, 5041, 5114, 8378, 10082, 10228, 12785, 16756, 20164, 20945, 25205, 25570, 41890, 50410, 51140, 83780, 100820, 150863, 181547, 297419, 301726, 363094, 594838, 603452, 726188, 754315, 907735, 1189676, 1487095, 1508630, 1815470, 2974190, 3017260, 3630940, 5948380, 10711273, 12889837, 21422546, 25779674, 42845092, 51559348, 53556365, 64449185, 107112730, 128898370, 214225460, 257796740, 760500383, 1521000766, 3042001532, 3802501915, 7605003830, 15210007660]

約数ペア:

[(1, 15210007660), (2, 7605003830), (4, 3802501915), (5, 3042001532), (10, 1521000766), (20, 760500383), (59, 257796740), (71, 214225460), (118, 128898370), (142, 107112730), (236, 64449185), (284, 53556365), (295, 51559348), (355, 42845092), (590, 25779674), (710, 21422546), (1180, 12889837), (1420, 10711273), (2557, 5948380), (4189, 3630940), (5041, 3017260), (5114, 2974190), (8378, 1815470), (10082, 1508630), (10228, 1487095), (12785, 1189676), (16756, 907735), (20164, 754315), (20945, 726188), (25205, 603452), (25570, 594838), (41890, 363094), (50410, 301726), (51140, 297419), (83780, 181547), (100820, 150863)]