43880480

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 125397720

約数和(自身を除く): 81517240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 193, 196, 203, 224, 232, 245, 280, 290, 386, 392, 406, 464, 490, 560, 580, 772, 784, 812, 928, 965, 980, 1015, 1120, 1160, 1351, 1421, 1544, 1568, 1624, 1930, 1960, 2030, 2320, 2702, 2842, 3088, 3248, 3860, 3920, 4060, 4640, 5404, 5597, 5684, 6176, 6496, 6755, 7105, 7720, 7840, 8120, 9457, 10808, 11194, 11368, 13510, 14210, 15440, 16240, 18914, 21616, 22388, 22736, 27020, 27985, 28420, 30880, 32480, 37828, 39179, 43232, 44776, 45472, 47285, 54040, 55970, 56840, 75656, 78358, 89552, 94570, 108080, 111940, 113680, 151312, 156716, 179104, 189140, 195895, 216160, 223880, 227360, 274253, 302624, 313432, 378280, 391790, 447760, 548506, 626864, 756560, 783580, 895520, 1097012, 1253728, 1371265, 1513120, 1567160, 2194024, 2742530, 3134320, 4388048, 5485060, 6268640, 8776096, 10970120, 21940240, 43880480]

約数ペア:

[(1, 43880480), (2, 21940240), (4, 10970120), (5, 8776096), (7, 6268640), (8, 5485060), (10, 4388048), (14, 3134320), (16, 2742530), (20, 2194024), (28, 1567160), (29, 1513120), (32, 1371265), (35, 1253728), (40, 1097012), (49, 895520), (56, 783580), (58, 756560), (70, 626864), (80, 548506), (98, 447760), (112, 391790), (116, 378280), (140, 313432), (145, 302624), (160, 274253), (193, 227360), (196, 223880), (203, 216160), (224, 195895), (232, 189140), (245, 179104), (280, 156716), (290, 151312), (386, 113680), (392, 111940), (406, 108080), (464, 94570), (490, 89552), (560, 78358), (580, 75656), (772, 56840), (784, 55970), (812, 54040), (928, 47285), (965, 45472), (980, 44776), (1015, 43232), (1120, 39179), (1160, 37828), (1351, 32480), (1421, 30880), (1544, 28420), (1568, 27985), (1624, 27020), (1930, 22736), (1960, 22388), (2030, 21616), (2320, 18914), (2702, 16240), (2842, 15440), (3088, 14210), (3248, 13510), (3860, 11368), (3920, 11194), (4060, 10808), (4640, 9457), (5404, 8120), (5597, 7840), (5684, 7720), (6176, 7105), (6496, 6755)]