123157060

素因数分解:

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

素因数の和:557

約数の個数: 72

約数和(自身を含む): 284074560

約数和(自身を除く): 160917500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 169, 260, 332, 338, 415, 439, 676, 830, 845, 878, 1079, 1660, 1690, 1756, 2158, 2195, 3380, 4316, 4390, 5395, 5707, 8780, 10790, 11414, 14027, 21580, 22828, 28054, 28535, 36437, 56108, 57070, 70135, 72874, 74191, 114140, 140270, 145748, 148382, 182185, 280540, 296764, 364370, 370955, 473681, 728740, 741910, 947362, 1483820, 1894724, 2368405, 4736810, 6157853, 9473620, 12315706, 24631412, 30789265, 61578530, 123157060]

約数ペア:

[(1, 123157060), (2, 61578530), (4, 30789265), (5, 24631412), (10, 12315706), (13, 9473620), (20, 6157853), (26, 4736810), (52, 2368405), (65, 1894724), (83, 1483820), (130, 947362), (166, 741910), (169, 728740), (260, 473681), (332, 370955), (338, 364370), (415, 296764), (439, 280540), (676, 182185), (830, 148382), (845, 145748), (878, 140270), (1079, 114140), (1660, 74191), (1690, 72874), (1756, 70135), (2158, 57070), (2195, 56108), (3380, 36437), (4316, 28535), (4390, 28054), (5395, 22828), (5707, 21580), (8780, 14027), (10790, 11414)]