128204700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{463}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 405974016

約数和(自身を除く): 277769316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 71, 75, 78, 100, 130, 142, 150, 156, 195, 213, 260, 284, 300, 325, 355, 390, 426, 463, 650, 710, 780, 852, 923, 926, 975, 1065, 1300, 1389, 1420, 1775, 1846, 1852, 1950, 2130, 2315, 2769, 2778, 3550, 3692, 3900, 4260, 4615, 4630, 5325, 5538, 5556, 6019, 6945, 7100, 9230, 9260, 10650, 11076, 11575, 12038, 13845, 13890, 18057, 18460, 21300, 23075, 23150, 24076, 27690, 27780, 30095, 32873, 34725, 36114, 46150, 46300, 55380, 60190, 65746, 69225, 69450, 72228, 90285, 92300, 98619, 120380, 131492, 138450, 138900, 150475, 164365, 180570, 197238, 276900, 300950, 328730, 361140, 394476, 427349, 451425, 493095, 601900, 657460, 821825, 854698, 902850, 986190, 1282047, 1643650, 1709396, 1805700, 1972380, 2136745, 2465475, 2564094, 3287300, 4273490, 4930950, 5128188, 6410235, 8546980, 9861900, 10683725, 12820470, 21367450, 25640940, 32051175, 42734900, 64102350, 128204700]

約数ペア:

[(1, 128204700), (2, 64102350), (3, 42734900), (4, 32051175), (5, 25640940), (6, 21367450), (10, 12820470), (12, 10683725), (13, 9861900), (15, 8546980), (20, 6410235), (25, 5128188), (26, 4930950), (30, 4273490), (39, 3287300), (50, 2564094), (52, 2465475), (60, 2136745), (65, 1972380), (71, 1805700), (75, 1709396), (78, 1643650), (100, 1282047), (130, 986190), (142, 902850), (150, 854698), (156, 821825), (195, 657460), (213, 601900), (260, 493095), (284, 451425), (300, 427349), (325, 394476), (355, 361140), (390, 328730), (426, 300950), (463, 276900), (650, 197238), (710, 180570), (780, 164365), (852, 150475), (923, 138900), (926, 138450), (975, 131492), (1065, 120380), (1300, 98619), (1389, 92300), (1420, 90285), (1775, 72228), (1846, 69450), (1852, 69225), (1950, 65746), (2130, 60190), (2315, 55380), (2769, 46300), (2778, 46150), (3550, 36114), (3692, 34725), (3900, 32873), (4260, 30095), (4615, 27780), (4630, 27690), (5325, 24076), (5538, 23150), (5556, 23075), (6019, 21300), (6945, 18460), (7100, 18057), (9230, 13890), (9260, 13845), (10650, 12038), (11076, 11575)]