157928960

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{1259}}^1$

素因数の和:1296

約数の個数: 120

約数和(自身を含む): 440831160

約数和(自身を除く): 282902200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1259, 1280, 1568, 1792, 1960, 2240, 2518, 2560, 3136, 3584, 3920, 4480, 5036, 6272, 6295, 7840, 8813, 8960, 10072, 12544, 12590, 15680, 17626, 17920, 20144, 25088, 25180, 31360, 35252, 40288, 44065, 50360, 61691, 62720, 70504, 80576, 88130, 100720, 123382, 125440, 141008, 161152, 176260, 201440, 246764, 282016, 308455, 322304, 352520, 402880, 493528, 564032, 616910, 644608, 705040, 805760, 987056, 1128064, 1233820, 1410080, 1611520, 1974112, 2256128, 2467640, 2820160, 3223040, 3948224, 4512256, 4935280, 5640320, 7896448, 9870560, 11280640, 15792896, 19741120, 22561280, 31585792, 39482240, 78964480, 157928960]

約数ペア:

[(1, 157928960), (2, 78964480), (4, 39482240), (5, 31585792), (7, 22561280), (8, 19741120), (10, 15792896), (14, 11280640), (16, 9870560), (20, 7896448), (28, 5640320), (32, 4935280), (35, 4512256), (40, 3948224), (49, 3223040), (56, 2820160), (64, 2467640), (70, 2256128), (80, 1974112), (98, 1611520), (112, 1410080), (128, 1233820), (140, 1128064), (160, 987056), (196, 805760), (224, 705040), (245, 644608), (256, 616910), (280, 564032), (320, 493528), (392, 402880), (448, 352520), (490, 322304), (512, 308455), (560, 282016), (640, 246764), (784, 201440), (896, 176260), (980, 161152), (1120, 141008), (1259, 125440), (1280, 123382), (1568, 100720), (1792, 88130), (1960, 80576), (2240, 70504), (2518, 62720), (2560, 61691), (3136, 50360), (3584, 44065), (3920, 40288), (4480, 35252), (5036, 31360), (6272, 25180), (6295, 25088), (7840, 20144), (8813, 17920), (8960, 17626), (10072, 15680), (12544, 12590)]