1780860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 5072256

約数和(自身を除く): 3291396

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 443, 670, 804, 886, 1005, 1329, 1340, 1772, 2010, 2215, 2658, 4020, 4430, 5316, 6645, 8860, 13290, 26580, 29681, 59362, 89043, 118724, 148405, 178086, 296810, 356172, 445215, 593620, 890430, 1780860]

約数ペア:

[(1, 1780860), (2, 890430), (3, 593620), (4, 445215), (5, 356172), (6, 296810), (10, 178086), (12, 148405), (15, 118724), (20, 89043), (30, 59362), (60, 29681), (67, 26580), (134, 13290), (201, 8860), (268, 6645), (335, 5316), (402, 4430), (443, 4020), (670, 2658), (804, 2215), (886, 2010), (1005, 1772), (1329, 1340)]