16801680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 60781824

約数和(自身を除く): 43980144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 73, 80, 84, 105, 112, 120, 137, 140, 146, 168, 210, 219, 240, 274, 280, 292, 336, 365, 411, 420, 438, 511, 548, 560, 584, 685, 730, 822, 840, 876, 959, 1022, 1095, 1096, 1168, 1370, 1460, 1533, 1644, 1680, 1752, 1918, 2044, 2055, 2190, 2192, 2555, 2740, 2877, 2920, 3066, 3288, 3504, 3836, 4088, 4110, 4380, 4795, 5110, 5480, 5754, 5840, 6132, 6576, 7665, 7672, 8176, 8220, 8760, 9590, 10001, 10220, 10960, 11508, 12264, 14385, 15330, 15344, 16440, 17520, 19180, 20002, 20440, 23016, 24528, 28770, 30003, 30660, 32880, 38360, 40004, 40880, 46032, 50005, 57540, 60006, 61320, 70007, 76720, 80008, 100010, 115080, 120012, 122640, 140014, 150015, 160016, 200020, 210021, 230160, 240024, 280028, 300030, 350035, 400040, 420042, 480048, 560056, 600060, 700070, 800080, 840084, 1050105, 1120112, 1200120, 1400140, 1680168, 2100210, 2400240, 2800280, 3360336, 4200420, 5600560, 8400840, 16801680]

約数ペア:

[(1, 16801680), (2, 8400840), (3, 5600560), (4, 4200420), (5, 3360336), (6, 2800280), (7, 2400240), (8, 2100210), (10, 1680168), (12, 1400140), (14, 1200120), (15, 1120112), (16, 1050105), (20, 840084), (21, 800080), (24, 700070), (28, 600060), (30, 560056), (35, 480048), (40, 420042), (42, 400040), (48, 350035), (56, 300030), (60, 280028), (70, 240024), (73, 230160), (80, 210021), (84, 200020), (105, 160016), (112, 150015), (120, 140014), (137, 122640), (140, 120012), (146, 115080), (168, 100010), (210, 80008), (219, 76720), (240, 70007), (274, 61320), (280, 60006), (292, 57540), (336, 50005), (365, 46032), (411, 40880), (420, 40004), (438, 38360), (511, 32880), (548, 30660), (560, 30003), (584, 28770), (685, 24528), (730, 23016), (822, 20440), (840, 20002), (876, 19180), (959, 17520), (1022, 16440), (1095, 15344), (1096, 15330), (1168, 14385), (1370, 12264), (1460, 11508), (1533, 10960), (1644, 10220), (1680, 10001), (1752, 9590), (1918, 8760), (2044, 8220), (2055, 8176), (2190, 7672), (2192, 7665), (2555, 6576), (2740, 6132), (2877, 5840), (2920, 5754), (3066, 5480), (3288, 5110), (3504, 4795), (3836, 4380), (4088, 4110)]