127697920

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 132

約数和(自身を含む): 357037740

約数和(自身を除く): 229339820

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, 509, 512, 560, 640, 784, 896, 980, 1018, 1024, 1120, 1280, 1568, 1792, 1960, 2036, 2240, 2545, 2560, 3136, 3563, 3584, 3920, 4072, 4480, 5090, 5120, 6272, 7126, 7168, 7840, 8144, 8960, 10180, 12544, 14252, 15680, 16288, 17815, 17920, 20360, 24941, 25088, 28504, 31360, 32576, 35630, 35840, 40720, 49882, 50176, 57008, 62720, 65152, 71260, 81440, 99764, 114016, 124705, 125440, 130304, 142520, 162880, 199528, 228032, 249410, 250880, 260608, 285040, 325760, 399056, 456064, 498820, 521216, 570080, 651520, 798112, 912128, 997640, 1140160, 1303040, 1596224, 1824256, 1995280, 2280320, 2606080, 3192448, 3648512, 3990560, 4560640, 6384896, 7981120, 9121280, 12769792, 15962240, 18242560, 25539584, 31924480, 63848960, 127697920]

約数ペア:

[(1, 127697920), (2, 63848960), (4, 31924480), (5, 25539584), (7, 18242560), (8, 15962240), (10, 12769792), (14, 9121280), (16, 7981120), (20, 6384896), (28, 4560640), (32, 3990560), (35, 3648512), (40, 3192448), (49, 2606080), (56, 2280320), (64, 1995280), (70, 1824256), (80, 1596224), (98, 1303040), (112, 1140160), (128, 997640), (140, 912128), (160, 798112), (196, 651520), (224, 570080), (245, 521216), (256, 498820), (280, 456064), (320, 399056), (392, 325760), (448, 285040), (490, 260608), (509, 250880), (512, 249410), (560, 228032), (640, 199528), (784, 162880), (896, 142520), (980, 130304), (1018, 125440), (1024, 124705), (1120, 114016), (1280, 99764), (1568, 81440), (1792, 71260), (1960, 65152), (2036, 62720), (2240, 57008), (2545, 50176), (2560, 49882), (3136, 40720), (3563, 35840), (3584, 35630), (3920, 32576), (4072, 31360), (4480, 28504), (5090, 25088), (5120, 24941), (6272, 20360), (7126, 17920), (7168, 17815), (7840, 16288), (8144, 15680), (8960, 14252), (10180, 12544)]