61578530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 121746240

約数和(自身を除く): 60167710

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 169, 338, 415, 439, 830, 845, 878, 1079, 1690, 2158, 2195, 4390, 5395, 5707, 10790, 11414, 14027, 28054, 28535, 36437, 57070, 70135, 72874, 74191, 140270, 148382, 182185, 364370, 370955, 473681, 741910, 947362, 2368405, 4736810, 6157853, 12315706, 30789265, 61578530]

約数ペア:

[(1, 61578530), (2, 30789265), (5, 12315706), (10, 6157853), (13, 4736810), (26, 2368405), (65, 947362), (83, 741910), (130, 473681), (166, 370955), (169, 364370), (338, 182185), (415, 148382), (439, 140270), (830, 74191), (845, 72874), (878, 70135), (1079, 57070), (1690, 36437), (2158, 28535), (2195, 28054), (4390, 14027), (5395, 11414), (5707, 10790)]