20678841120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{25537}}^1$

素因数の和:25803

約数の個数: 192

約数和(自身を含む): 74755650816

約数和(自身を除く): 54076809696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 241, 280, 336, 420, 480, 482, 560, 672, 723, 840, 964, 1120, 1205, 1446, 1680, 1687, 1928, 2410, 2892, 3360, 3374, 3615, 3856, 4820, 5061, 5784, 6748, 7230, 7712, 8435, 9640, 10122, 11568, 13496, 14460, 16870, 19280, 20244, 23136, 25305, 25537, 26992, 28920, 33740, 38560, 40488, 50610, 51074, 53984, 57840, 67480, 76611, 80976, 101220, 102148, 115680, 127685, 134960, 153222, 161952, 178759, 202440, 204296, 255370, 269920, 306444, 357518, 383055, 404880, 408592, 510740, 536277, 612888, 715036, 766110, 809760, 817184, 893795, 1021480, 1072554, 1225776, 1430072, 1532220, 1787590, 2042960, 2145108, 2451552, 2681385, 2860144, 3064440, 3575180, 4085920, 4290216, 5362770, 5720288, 6128880, 6154417, 7150360, 8580432, 10725540, 12257760, 12308834, 14300720, 17160864, 18463251, 21451080, 24617668, 28601440, 30772085, 36926502, 42902160, 43080919, 49235336, 61544170, 73853004, 85804320, 86161838, 92316255, 98470672, 123088340, 129242757, 147706008, 172323676, 184632510, 196941344, 215404595, 246176680, 258485514, 295412016, 344647352, 369265020, 430809190, 492353360, 516971028, 590824032, 646213785, 689294704, 738530040, 861618380, 984706720, 1033942056, 1292427570, 1378589408, 1477060080, 1723236760, 2067884112, 2584855140, 2954120160, 3446473520, 4135768224, 5169710280, 6892947040, 10339420560, 20678841120]

約数ペア:

[(1, 20678841120), (2, 10339420560), (3, 6892947040), (4, 5169710280), (5, 4135768224), (6, 3446473520), (7, 2954120160), (8, 2584855140), (10, 2067884112), (12, 1723236760), (14, 1477060080), (15, 1378589408), (16, 1292427570), (20, 1033942056), (21, 984706720), (24, 861618380), (28, 738530040), (30, 689294704), (32, 646213785), (35, 590824032), (40, 516971028), (42, 492353360), (48, 430809190), (56, 369265020), (60, 344647352), (70, 295412016), (80, 258485514), (84, 246176680), (96, 215404595), (105, 196941344), (112, 184632510), (120, 172323676), (140, 147706008), (160, 129242757), (168, 123088340), (210, 98470672), (224, 92316255), (240, 86161838), (241, 85804320), (280, 73853004), (336, 61544170), (420, 49235336), (480, 43080919), (482, 42902160), (560, 36926502), (672, 30772085), (723, 28601440), (840, 24617668), (964, 21451080), (1120, 18463251), (1205, 17160864), (1446, 14300720), (1680, 12308834), (1687, 12257760), (1928, 10725540), (2410, 8580432), (2892, 7150360), (3360, 6154417), (3374, 6128880), (3615, 5720288), (3856, 5362770), (4820, 4290216), (5061, 4085920), (5784, 3575180), (6748, 3064440), (7230, 2860144), (7712, 2681385), (8435, 2451552), (9640, 2145108), (10122, 2042960), (11568, 1787590), (13496, 1532220), (14460, 1430072), (16870, 1225776), (19280, 1072554), (20244, 1021480), (23136, 893795), (25305, 817184), (25537, 809760), (26992, 766110), (28920, 715036), (33740, 612888), (38560, 536277), (40488, 510740), (50610, 408592), (51074, 404880), (53984, 383055), (57840, 357518), (67480, 306444), (76611, 269920), (80976, 255370), (101220, 204296), (102148, 202440), (115680, 178759), (127685, 161952), (134960, 153222)]