145655440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:609

約数の個数: 120

約数和(自身を含む): 400119480

約数和(自身を除く): 254464040

約数列:

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

約数ペア:

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