9871380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 30211272

約数和(自身を除く): 20339892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 317, 346, 519, 634, 692, 865, 951, 1038, 1268, 1557, 1585, 1730, 1902, 2076, 2595, 2853, 3114, 3170, 3460, 3804, 4755, 5190, 5706, 6228, 6340, 7785, 9510, 10380, 11412, 14265, 15570, 19020, 28530, 31140, 54841, 57060, 109682, 164523, 219364, 274205, 329046, 493569, 548410, 658092, 822615, 987138, 1096820, 1645230, 1974276, 2467845, 3290460, 4935690, 9871380]

約数ペア:

[(1, 9871380), (2, 4935690), (3, 3290460), (4, 2467845), (5, 1974276), (6, 1645230), (9, 1096820), (10, 987138), (12, 822615), (15, 658092), (18, 548410), (20, 493569), (30, 329046), (36, 274205), (45, 219364), (60, 164523), (90, 109682), (173, 57060), (180, 54841), (317, 31140), (346, 28530), (519, 19020), (634, 15570), (692, 14265), (865, 11412), (951, 10380), (1038, 9510), (1268, 7785), (1557, 6340), (1585, 6228), (1730, 5706), (1902, 5190), (2076, 4755), (2595, 3804), (2853, 3460), (3114, 3170)]