1680458780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83939}}^1$

素因数の和:83979

約数の個数: 96

約数和(自身を含む): 4738245120

約数和(自身を除く): 3057786340

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 20020, 83939, 167878, 335756, 419695, 587573, 839390, 923329, 1091207, 1175146, 1678780, 1846658, 2182414, 2350292, 2937865, 3693316, 4364828, 4616645, 5456035, 5875730, 6463303, 7638449, 9233290, 10912070, 11751460, 12003277, 12926606, 15276898, 18466580, 21824140, 24006554, 25853212, 30553796, 32316515, 38192245, 48013108, 60016385, 64633030, 76384490, 84022939, 120032770, 129266060, 152768980, 168045878, 240065540, 336091756, 420114695, 840229390, 1680458780]

約数ペア:

[(1, 1680458780), (2, 840229390), (4, 420114695), (5, 336091756), (7, 240065540), (10, 168045878), (11, 152768980), (13, 129266060), (14, 120032770), (20, 84022939), (22, 76384490), (26, 64633030), (28, 60016385), (35, 48013108), (44, 38192245), (52, 32316515), (55, 30553796), (65, 25853212), (70, 24006554), (77, 21824140), (91, 18466580), (110, 15276898), (130, 12926606), (140, 12003277), (143, 11751460), (154, 10912070), (182, 9233290), (220, 7638449), (260, 6463303), (286, 5875730), (308, 5456035), (364, 4616645), (385, 4364828), (455, 3693316), (572, 2937865), (715, 2350292), (770, 2182414), (910, 1846658), (1001, 1678780), (1430, 1175146), (1540, 1091207), (1820, 923329), (2002, 839390), (2860, 587573), (4004, 419695), (5005, 335756), (10010, 167878), (20020, 83939)]