30172240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 83967840

約数和(自身を除く): 53795600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 179, 196, 215, 245, 280, 301, 344, 358, 392, 430, 490, 560, 602, 688, 716, 784, 860, 895, 980, 1204, 1253, 1432, 1505, 1720, 1790, 1960, 2107, 2408, 2506, 2864, 3010, 3440, 3580, 3920, 4214, 4816, 5012, 6020, 6265, 7160, 7697, 8428, 8771, 10024, 10535, 12040, 12530, 14320, 15394, 16856, 17542, 20048, 21070, 24080, 25060, 30788, 33712, 35084, 38485, 42140, 43855, 50120, 53879, 61576, 70168, 76970, 84280, 87710, 100240, 107758, 123152, 140336, 153940, 168560, 175420, 215516, 269395, 307880, 350840, 377153, 431032, 538790, 615760, 701680, 754306, 862064, 1077580, 1508612, 1885765, 2155160, 3017224, 3771530, 4310320, 6034448, 7543060, 15086120, 30172240]

約数ペア:

[(1, 30172240), (2, 15086120), (4, 7543060), (5, 6034448), (7, 4310320), (8, 3771530), (10, 3017224), (14, 2155160), (16, 1885765), (20, 1508612), (28, 1077580), (35, 862064), (40, 754306), (43, 701680), (49, 615760), (56, 538790), (70, 431032), (80, 377153), (86, 350840), (98, 307880), (112, 269395), (140, 215516), (172, 175420), (179, 168560), (196, 153940), (215, 140336), (245, 123152), (280, 107758), (301, 100240), (344, 87710), (358, 84280), (392, 76970), (430, 70168), (490, 61576), (560, 53879), (602, 50120), (688, 43855), (716, 42140), (784, 38485), (860, 35084), (895, 33712), (980, 30788), (1204, 25060), (1253, 24080), (1432, 21070), (1505, 20048), (1720, 17542), (1790, 16856), (1960, 15394), (2107, 14320), (2408, 12530), (2506, 12040), (2864, 10535), (3010, 10024), (3440, 8771), (3580, 8428), (3920, 7697), (4214, 7160), (4816, 6265), (5012, 6020)]