179779040

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1049

約数の個数: 144

約数和(自身を含む): 516069792

約数和(自身を除く): 336290752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 160, 161, 184, 196, 224, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 736, 784, 805, 920, 980, 997, 1120, 1127, 1288, 1568, 1610, 1840, 1960, 1994, 2254, 2576, 3220, 3680, 3920, 3988, 4508, 4985, 5152, 5635, 6440, 6979, 7840, 7976, 9016, 9970, 11270, 12880, 13958, 15952, 18032, 19940, 22540, 22931, 25760, 27916, 31904, 34895, 36064, 39880, 45080, 45862, 48853, 55832, 69790, 79760, 90160, 91724, 97706, 111664, 114655, 139580, 159520, 160517, 180320, 183448, 195412, 223328, 229310, 244265, 279160, 321034, 366896, 390824, 458620, 488530, 558320, 642068, 733792, 781648, 802585, 917240, 977060, 1116640, 1123619, 1284136, 1563296, 1605170, 1834480, 1954120, 2247238, 2568272, 3210340, 3668960, 3908240, 4494476, 5136544, 5618095, 6420680, 7816480, 8988952, 11236190, 12841360, 17977904, 22472380, 25682720, 35955808, 44944760, 89889520, 179779040]

約数ペア:

[(1, 179779040), (2, 89889520), (4, 44944760), (5, 35955808), (7, 25682720), (8, 22472380), (10, 17977904), (14, 12841360), (16, 11236190), (20, 8988952), (23, 7816480), (28, 6420680), (32, 5618095), (35, 5136544), (40, 4494476), (46, 3908240), (49, 3668960), (56, 3210340), (70, 2568272), (80, 2247238), (92, 1954120), (98, 1834480), (112, 1605170), (115, 1563296), (140, 1284136), (160, 1123619), (161, 1116640), (184, 977060), (196, 917240), (224, 802585), (230, 781648), (245, 733792), (280, 642068), (322, 558320), (368, 488530), (392, 458620), (460, 390824), (490, 366896), (560, 321034), (644, 279160), (736, 244265), (784, 229310), (805, 223328), (920, 195412), (980, 183448), (997, 180320), (1120, 160517), (1127, 159520), (1288, 139580), (1568, 114655), (1610, 111664), (1840, 97706), (1960, 91724), (1994, 90160), (2254, 79760), (2576, 69790), (3220, 55832), (3680, 48853), (3920, 45862), (3988, 45080), (4508, 39880), (4985, 36064), (5152, 34895), (5635, 31904), (6440, 27916), (6979, 25760), (7840, 22931), (7976, 22540), (9016, 19940), (9970, 18032), (11270, 15952), (12880, 13958)]