1313522560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{653}}^1$

素因数の和:1128

約数の個数: 128

約数和(自身を含む): 3602232000

約数和(自身を除く): 2288709440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 449, 560, 640, 653, 896, 898, 1120, 1306, 1796, 2240, 2245, 2612, 3143, 3265, 3592, 4480, 4490, 4571, 5224, 6286, 6530, 7184, 8980, 9142, 10448, 12572, 13060, 14368, 15715, 17960, 18284, 20896, 22855, 25144, 26120, 28736, 31430, 35920, 36568, 41792, 45710, 50288, 52240, 57472, 62860, 71840, 73136, 83584, 91420, 100576, 104480, 125720, 143680, 146272, 182840, 201152, 208960, 251440, 287360, 292544, 293197, 365680, 402304, 417920, 502880, 585088, 586394, 731360, 1005760, 1172788, 1462720, 1465985, 2011520, 2052379, 2345576, 2925440, 2931970, 4104758, 4691152, 5863940, 8209516, 9382304, 10261895, 11727880, 16419032, 18764608, 20523790, 23455760, 32838064, 37529216, 41047580, 46911520, 65676128, 82095160, 93823040, 131352256, 164190320, 187646080, 262704512, 328380640, 656761280, 1313522560]

約数ペア:

[(1, 1313522560), (2, 656761280), (4, 328380640), (5, 262704512), (7, 187646080), (8, 164190320), (10, 131352256), (14, 93823040), (16, 82095160), (20, 65676128), (28, 46911520), (32, 41047580), (35, 37529216), (40, 32838064), (56, 23455760), (64, 20523790), (70, 18764608), (80, 16419032), (112, 11727880), (128, 10261895), (140, 9382304), (160, 8209516), (224, 5863940), (280, 4691152), (320, 4104758), (448, 2931970), (449, 2925440), (560, 2345576), (640, 2052379), (653, 2011520), (896, 1465985), (898, 1462720), (1120, 1172788), (1306, 1005760), (1796, 731360), (2240, 586394), (2245, 585088), (2612, 502880), (3143, 417920), (3265, 402304), (3592, 365680), (4480, 293197), (4490, 292544), (4571, 287360), (5224, 251440), (6286, 208960), (6530, 201152), (7184, 182840), (8980, 146272), (9142, 143680), (10448, 125720), (12572, 104480), (13060, 100576), (14368, 91420), (15715, 83584), (17960, 73136), (18284, 71840), (20896, 62860), (22855, 57472), (25144, 52240), (26120, 50288), (28736, 45710), (31430, 41792), (35920, 36568)]