1681102400

素因数分解:

$2^6\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 168

約数和(自身を含む): 4317629160

約数和(自身を除く): 2636526760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 73, 74, 80, 100, 146, 148, 160, 185, 200, 292, 296, 320, 365, 370, 389, 400, 584, 592, 730, 740, 778, 800, 925, 1168, 1184, 1460, 1480, 1556, 1600, 1825, 1850, 1945, 2336, 2368, 2701, 2920, 2960, 3112, 3650, 3700, 3890, 4672, 5402, 5840, 5920, 6224, 7300, 7400, 7780, 9725, 10804, 11680, 11840, 12448, 13505, 14393, 14600, 14800, 15560, 19450, 21608, 23360, 24896, 27010, 28397, 28786, 29200, 29600, 31120, 38900, 43216, 54020, 56794, 57572, 58400, 59200, 62240, 67525, 71965, 77800, 86432, 108040, 113588, 115144, 116800, 124480, 135050, 141985, 143930, 155600, 172864, 216080, 227176, 230288, 270100, 283970, 287860, 311200, 359825, 432160, 454352, 460576, 540200, 567940, 575720, 622400, 709925, 719650, 864320, 908704, 921152, 1050689, 1080400, 1135880, 1151440, 1419850, 1439300, 1817408, 2101378, 2160800, 2271760, 2302880, 2839700, 2878600, 4202756, 4321600, 4543520, 4605760, 5253445, 5679400, 5757200, 8405512, 9087040, 10506890, 11358800, 11514400, 16811024, 21013780, 22717600, 23028800, 26267225, 33622048, 42027560, 45435200, 52534450, 67244096, 84055120, 105068900, 168110240, 210137800, 336220480, 420275600, 840551200, 1681102400]

約数ペア:

[(1, 1681102400), (2, 840551200), (4, 420275600), (5, 336220480), (8, 210137800), (10, 168110240), (16, 105068900), (20, 84055120), (25, 67244096), (32, 52534450), (37, 45435200), (40, 42027560), (50, 33622048), (64, 26267225), (73, 23028800), (74, 22717600), (80, 21013780), (100, 16811024), (146, 11514400), (148, 11358800), (160, 10506890), (185, 9087040), (200, 8405512), (292, 5757200), (296, 5679400), (320, 5253445), (365, 4605760), (370, 4543520), (389, 4321600), (400, 4202756), (584, 2878600), (592, 2839700), (730, 2302880), (740, 2271760), (778, 2160800), (800, 2101378), (925, 1817408), (1168, 1439300), (1184, 1419850), (1460, 1151440), (1480, 1135880), (1556, 1080400), (1600, 1050689), (1825, 921152), (1850, 908704), (1945, 864320), (2336, 719650), (2368, 709925), (2701, 622400), (2920, 575720), (2960, 567940), (3112, 540200), (3650, 460576), (3700, 454352), (3890, 432160), (4672, 359825), (5402, 311200), (5840, 287860), (5920, 283970), (6224, 270100), (7300, 230288), (7400, 227176), (7780, 216080), (9725, 172864), (10804, 155600), (11680, 143930), (11840, 141985), (12448, 135050), (13505, 124480), (14393, 116800), (14600, 115144), (14800, 113588), (15560, 108040), (19450, 86432), (21608, 77800), (23360, 71965), (24896, 67525), (27010, 62240), (28397, 59200), (28786, 58400), (29200, 57572), (29600, 56794), (31120, 54020), (38900, 43216)]