1311560100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{161921}}^1$

素因数の和:161947

約数の個数: 90

約数和(自身を含む): 4251585954

約数和(自身を除く): 2940025854

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 161921, 323842, 485763, 647684, 809605, 971526, 1457289, 1619210, 1943052, 2428815, 2914578, 3238420, 4048025, 4371867, 4857630, 5829156, 7286445, 8096050, 8743734, 9715260, 12144075, 13115601, 14572890, 16192100, 17487468, 21859335, 24288150, 26231202, 29145780, 36432225, 43718670, 48576300, 52462404, 65578005, 72864450, 87437340, 109296675, 131156010, 145728900, 218593350, 262312020, 327890025, 437186700, 655780050, 1311560100]

約数ペア:

[(1, 1311560100), (2, 655780050), (3, 437186700), (4, 327890025), (5, 262312020), (6, 218593350), (9, 145728900), (10, 131156010), (12, 109296675), (15, 87437340), (18, 72864450), (20, 65578005), (25, 52462404), (27, 48576300), (30, 43718670), (36, 36432225), (45, 29145780), (50, 26231202), (54, 24288150), (60, 21859335), (75, 17487468), (81, 16192100), (90, 14572890), (100, 13115601), (108, 12144075), (135, 9715260), (150, 8743734), (162, 8096050), (180, 7286445), (225, 5829156), (270, 4857630), (300, 4371867), (324, 4048025), (405, 3238420), (450, 2914578), (540, 2428815), (675, 1943052), (810, 1619210), (900, 1457289), (1350, 971526), (1620, 809605), (2025, 647684), (2700, 485763), (4050, 323842), (8100, 161921)]