51255750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 157667328

約数和(自身を除く): 106411578

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 35, 39, 42, 50, 65, 70, 75, 78, 91, 105, 125, 130, 150, 175, 182, 195, 210, 250, 273, 325, 350, 375, 390, 455, 525, 546, 650, 750, 751, 875, 910, 975, 1050, 1365, 1502, 1625, 1750, 1950, 2253, 2275, 2625, 2730, 3250, 3755, 4506, 4550, 4875, 5250, 5257, 6825, 7510, 9750, 9763, 10514, 11265, 11375, 13650, 15771, 18775, 19526, 22530, 22750, 26285, 29289, 31542, 34125, 37550, 48815, 52570, 56325, 58578, 68250, 68341, 78855, 93875, 97630, 112650, 131425, 136682, 146445, 157710, 187750, 205023, 244075, 262850, 281625, 292890, 341705, 394275, 410046, 488150, 563250, 657125, 683410, 732225, 788550, 1025115, 1220375, 1314250, 1464450, 1708525, 1971375, 2050230, 2440750, 3417050, 3661125, 3942750, 5125575, 7322250, 8542625, 10251150, 17085250, 25627875, 51255750]

約数ペア:

[(1, 51255750), (2, 25627875), (3, 17085250), (5, 10251150), (6, 8542625), (7, 7322250), (10, 5125575), (13, 3942750), (14, 3661125), (15, 3417050), (21, 2440750), (25, 2050230), (26, 1971375), (30, 1708525), (35, 1464450), (39, 1314250), (42, 1220375), (50, 1025115), (65, 788550), (70, 732225), (75, 683410), (78, 657125), (91, 563250), (105, 488150), (125, 410046), (130, 394275), (150, 341705), (175, 292890), (182, 281625), (195, 262850), (210, 244075), (250, 205023), (273, 187750), (325, 157710), (350, 146445), (375, 136682), (390, 131425), (455, 112650), (525, 97630), (546, 93875), (650, 78855), (750, 68341), (751, 68250), (875, 58578), (910, 56325), (975, 52570), (1050, 48815), (1365, 37550), (1502, 34125), (1625, 31542), (1750, 29289), (1950, 26285), (2253, 22750), (2275, 22530), (2625, 19526), (2730, 18775), (3250, 15771), (3755, 13650), (4506, 11375), (4550, 11265), (4875, 10514), (5250, 9763), (5257, 9750), (6825, 7510)]