161417000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 402554880

約数和(自身を除く): 241137880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 41, 50, 62, 82, 100, 124, 125, 127, 155, 164, 200, 205, 248, 250, 254, 310, 328, 410, 500, 508, 620, 635, 775, 820, 1000, 1016, 1025, 1240, 1270, 1271, 1550, 1640, 2050, 2540, 2542, 3100, 3175, 3875, 3937, 4100, 5080, 5084, 5125, 5207, 6200, 6350, 6355, 7750, 7874, 8200, 10168, 10250, 10414, 12700, 12710, 15500, 15748, 15875, 19685, 20500, 20828, 25400, 25420, 26035, 31000, 31496, 31750, 31775, 39370, 41000, 41656, 50840, 52070, 63500, 63550, 78740, 98425, 104140, 127000, 127100, 130175, 157480, 158875, 161417, 196850, 208280, 254200, 260350, 317750, 322834, 393700, 492125, 520700, 635500, 645668, 650875, 787400, 807085, 984250, 1041400, 1271000, 1291336, 1301750, 1614170, 1968500, 2603500, 3228340, 3937000, 4035425, 5207000, 6456680, 8070850, 16141700, 20177125, 32283400, 40354250, 80708500, 161417000]

約数ペア:

[(1, 161417000), (2, 80708500), (4, 40354250), (5, 32283400), (8, 20177125), (10, 16141700), (20, 8070850), (25, 6456680), (31, 5207000), (40, 4035425), (41, 3937000), (50, 3228340), (62, 2603500), (82, 1968500), (100, 1614170), (124, 1301750), (125, 1291336), (127, 1271000), (155, 1041400), (164, 984250), (200, 807085), (205, 787400), (248, 650875), (250, 645668), (254, 635500), (310, 520700), (328, 492125), (410, 393700), (500, 322834), (508, 317750), (620, 260350), (635, 254200), (775, 208280), (820, 196850), (1000, 161417), (1016, 158875), (1025, 157480), (1240, 130175), (1270, 127100), (1271, 127000), (1550, 104140), (1640, 98425), (2050, 78740), (2540, 63550), (2542, 63500), (3100, 52070), (3175, 50840), (3875, 41656), (3937, 41000), (4100, 39370), (5080, 31775), (5084, 31750), (5125, 31496), (5207, 31000), (6200, 26035), (6350, 25420), (6355, 25400), (7750, 20828), (7874, 20500), (8200, 19685), (10168, 15875), (10250, 15748), (10414, 15500), (12700, 12710)]