291310880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 813146040

約数和(自身を除く): 521835160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 365, 392, 490, 509, 511, 560, 584, 730, 784, 980, 1018, 1022, 1120, 1168, 1460, 1568, 1960, 2036, 2044, 2336, 2545, 2555, 2920, 3563, 3577, 3920, 4072, 4088, 5090, 5110, 5840, 7126, 7154, 7840, 8144, 8176, 10180, 10220, 11680, 14252, 14308, 16288, 16352, 17815, 17885, 20360, 20440, 24941, 28504, 28616, 35630, 35770, 37157, 40720, 40880, 49882, 57008, 57232, 71260, 71540, 74314, 81440, 81760, 99764, 114016, 114464, 124705, 142520, 143080, 148628, 185785, 199528, 249410, 260099, 285040, 286160, 297256, 371570, 399056, 498820, 520198, 570080, 572320, 594512, 743140, 798112, 997640, 1040396, 1189024, 1300495, 1486280, 1820693, 1995280, 2080792, 2600990, 2972560, 3641386, 3990560, 4161584, 5201980, 5945120, 7282772, 8323168, 9103465, 10403960, 14565544, 18206930, 20807920, 29131088, 36413860, 41615840, 58262176, 72827720, 145655440, 291310880]

約数ペア:

[(1, 291310880), (2, 145655440), (4, 72827720), (5, 58262176), (7, 41615840), (8, 36413860), (10, 29131088), (14, 20807920), (16, 18206930), (20, 14565544), (28, 10403960), (32, 9103465), (35, 8323168), (40, 7282772), (49, 5945120), (56, 5201980), (70, 4161584), (73, 3990560), (80, 3641386), (98, 2972560), (112, 2600990), (140, 2080792), (146, 1995280), (160, 1820693), (196, 1486280), (224, 1300495), (245, 1189024), (280, 1040396), (292, 997640), (365, 798112), (392, 743140), (490, 594512), (509, 572320), (511, 570080), (560, 520198), (584, 498820), (730, 399056), (784, 371570), (980, 297256), (1018, 286160), (1022, 285040), (1120, 260099), (1168, 249410), (1460, 199528), (1568, 185785), (1960, 148628), (2036, 143080), (2044, 142520), (2336, 124705), (2545, 114464), (2555, 114016), (2920, 99764), (3563, 81760), (3577, 81440), (3920, 74314), (4072, 71540), (4088, 71260), (5090, 57232), (5110, 57008), (5840, 49882), (7126, 40880), (7154, 40720), (7840, 37157), (8144, 35770), (8176, 35630), (10180, 28616), (10220, 28504), (11680, 24941), (14252, 20440), (14308, 20360), (16288, 17885), (16352, 17815)]