1230746720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{877}}^1$

素因数の和:1085

約数の個数: 144

約数和(自身を含む): 3405129840

約数和(自身を除く): 2174383120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 179, 196, 224, 245, 280, 358, 392, 490, 560, 716, 784, 877, 895, 980, 1120, 1253, 1432, 1568, 1754, 1790, 1960, 2506, 2864, 3508, 3580, 3920, 4385, 5012, 5728, 6139, 6265, 7016, 7160, 7840, 8770, 8771, 10024, 12278, 12530, 14032, 14320, 17540, 17542, 20048, 24556, 25060, 28064, 28640, 30695, 35080, 35084, 40096, 42973, 43855, 49112, 50120, 61390, 70160, 70168, 85946, 87710, 98224, 100240, 122780, 140320, 140336, 156983, 171892, 175420, 196448, 200480, 214865, 245560, 280672, 313966, 343784, 350840, 429730, 491120, 627932, 687568, 701680, 784915, 859460, 982240, 1098881, 1255864, 1375136, 1403360, 1569830, 1718920, 2197762, 2511728, 3139660, 3437840, 4395524, 5023456, 5494405, 6279320, 6875680, 7692167, 8791048, 10988810, 12558640, 15384334, 17582096, 21977620, 25117280, 30768668, 35164192, 38460835, 43955240, 61537336, 76921670, 87910480, 123074672, 153843340, 175820960, 246149344, 307686680, 615373360, 1230746720]

約数ペア:

[(1, 1230746720), (2, 615373360), (4, 307686680), (5, 246149344), (7, 175820960), (8, 153843340), (10, 123074672), (14, 87910480), (16, 76921670), (20, 61537336), (28, 43955240), (32, 38460835), (35, 35164192), (40, 30768668), (49, 25117280), (56, 21977620), (70, 17582096), (80, 15384334), (98, 12558640), (112, 10988810), (140, 8791048), (160, 7692167), (179, 6875680), (196, 6279320), (224, 5494405), (245, 5023456), (280, 4395524), (358, 3437840), (392, 3139660), (490, 2511728), (560, 2197762), (716, 1718920), (784, 1569830), (877, 1403360), (895, 1375136), (980, 1255864), (1120, 1098881), (1253, 982240), (1432, 859460), (1568, 784915), (1754, 701680), (1790, 687568), (1960, 627932), (2506, 491120), (2864, 429730), (3508, 350840), (3580, 343784), (3920, 313966), (4385, 280672), (5012, 245560), (5728, 214865), (6139, 200480), (6265, 196448), (7016, 175420), (7160, 171892), (7840, 156983), (8770, 140336), (8771, 140320), (10024, 122780), (12278, 100240), (12530, 98224), (14032, 87710), (14320, 85946), (17540, 70168), (17542, 70160), (20048, 61390), (24556, 50120), (25060, 49112), (28064, 43855), (28640, 42973), (30695, 40096), (35080, 35084)]