31046580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 94813992

約数和(自身を除く): 63767412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 997, 1038, 1557, 1730, 1994, 2076, 2595, 2991, 3114, 3460, 3988, 4985, 5190, 5982, 6228, 7785, 8973, 9970, 10380, 11964, 14955, 15570, 17946, 19940, 29910, 31140, 35892, 44865, 59820, 89730, 172481, 179460, 344962, 517443, 689924, 862405, 1034886, 1552329, 1724810, 2069772, 2587215, 3104658, 3449620, 5174430, 6209316, 7761645, 10348860, 15523290, 31046580]

約数ペア:

[(1, 31046580), (2, 15523290), (3, 10348860), (4, 7761645), (5, 6209316), (6, 5174430), (9, 3449620), (10, 3104658), (12, 2587215), (15, 2069772), (18, 1724810), (20, 1552329), (30, 1034886), (36, 862405), (45, 689924), (60, 517443), (90, 344962), (173, 179460), (180, 172481), (346, 89730), (519, 59820), (692, 44865), (865, 35892), (997, 31140), (1038, 29910), (1557, 19940), (1730, 17946), (1994, 15570), (2076, 14955), (2595, 11964), (2991, 10380), (3114, 9970), (3460, 8973), (3988, 7785), (4985, 6228), (5190, 5982)]