290450520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{806807}}^1$

素因数の和:806824

約数の個数: 48

約数和(自身を含む): 943965360

約数和(自身を除く): 653514840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 806807, 1613614, 2420421, 3227228, 4034035, 4840842, 6454456, 7261263, 8068070, 9681684, 12102105, 14522526, 16136140, 19363368, 24204210, 29045052, 32272280, 36306315, 48408420, 58090104, 72612630, 96816840, 145225260, 290450520]

約数ペア:

[(1, 290450520), (2, 145225260), (3, 96816840), (4, 72612630), (5, 58090104), (6, 48408420), (8, 36306315), (9, 32272280), (10, 29045052), (12, 24204210), (15, 19363368), (18, 16136140), (20, 14522526), (24, 12102105), (30, 9681684), (36, 8068070), (40, 7261263), (45, 6454456), (60, 4840842), (72, 4034035), (90, 3227228), (120, 2420421), (180, 1613614), (360, 806807)]