8400840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 29410560

約数和(自身を除く): 21009720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 73, 84, 105, 120, 137, 140, 146, 168, 210, 219, 274, 280, 292, 365, 411, 420, 438, 511, 548, 584, 685, 730, 822, 840, 876, 959, 1022, 1095, 1096, 1370, 1460, 1533, 1644, 1752, 1918, 2044, 2055, 2190, 2555, 2740, 2877, 2920, 3066, 3288, 3836, 4088, 4110, 4380, 4795, 5110, 5480, 5754, 6132, 7665, 7672, 8220, 8760, 9590, 10001, 10220, 11508, 12264, 14385, 15330, 16440, 19180, 20002, 20440, 23016, 28770, 30003, 30660, 38360, 40004, 50005, 57540, 60006, 61320, 70007, 80008, 100010, 115080, 120012, 140014, 150015, 200020, 210021, 240024, 280028, 300030, 350035, 400040, 420042, 560056, 600060, 700070, 840084, 1050105, 1200120, 1400140, 1680168, 2100210, 2800280, 4200420, 8400840]

約数ペア:

[(1, 8400840), (2, 4200420), (3, 2800280), (4, 2100210), (5, 1680168), (6, 1400140), (7, 1200120), (8, 1050105), (10, 840084), (12, 700070), (14, 600060), (15, 560056), (20, 420042), (21, 400040), (24, 350035), (28, 300030), (30, 280028), (35, 240024), (40, 210021), (42, 200020), (56, 150015), (60, 140014), (70, 120012), (73, 115080), (84, 100010), (105, 80008), (120, 70007), (137, 61320), (140, 60006), (146, 57540), (168, 50005), (210, 40004), (219, 38360), (274, 30660), (280, 30003), (292, 28770), (365, 23016), (411, 20440), (420, 20002), (438, 19180), (511, 16440), (548, 15330), (584, 14385), (685, 12264), (730, 11508), (822, 10220), (840, 10001), (876, 9590), (959, 8760), (1022, 8220), (1095, 7672), (1096, 7665), (1370, 6132), (1460, 5754), (1533, 5480), (1644, 5110), (1752, 4795), (1918, 4380), (2044, 4110), (2055, 4088), (2190, 3836), (2555, 3288), (2740, 3066), (2877, 2920)]