178226720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 496419840

約数和(自身を除く): 318193120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 160, 179, 196, 224, 245, 254, 280, 358, 392, 490, 508, 560, 635, 716, 784, 889, 895, 980, 1016, 1120, 1253, 1270, 1432, 1568, 1778, 1790, 1960, 2032, 2506, 2540, 2864, 3556, 3580, 3920, 4064, 4445, 5012, 5080, 5728, 6223, 6265, 7112, 7160, 7840, 8771, 8890, 10024, 10160, 12446, 12530, 14224, 14320, 17542, 17780, 20048, 20320, 22733, 24892, 25060, 28448, 28640, 31115, 35084, 35560, 40096, 43855, 45466, 49784, 50120, 62230, 70168, 71120, 87710, 90932, 99568, 100240, 113665, 124460, 140336, 142240, 159131, 175420, 181864, 199136, 200480, 227330, 248920, 280672, 318262, 350840, 363728, 454660, 497840, 636524, 701680, 727456, 795655, 909320, 995680, 1113917, 1273048, 1403360, 1591310, 1818640, 2227834, 2546096, 3182620, 3637280, 4455668, 5092192, 5569585, 6365240, 8911336, 11139170, 12730480, 17822672, 22278340, 25460960, 35645344, 44556680, 89113360, 178226720]

約数ペア:

[(1, 178226720), (2, 89113360), (4, 44556680), (5, 35645344), (7, 25460960), (8, 22278340), (10, 17822672), (14, 12730480), (16, 11139170), (20, 8911336), (28, 6365240), (32, 5569585), (35, 5092192), (40, 4455668), (49, 3637280), (56, 3182620), (70, 2546096), (80, 2227834), (98, 1818640), (112, 1591310), (127, 1403360), (140, 1273048), (160, 1113917), (179, 995680), (196, 909320), (224, 795655), (245, 727456), (254, 701680), (280, 636524), (358, 497840), (392, 454660), (490, 363728), (508, 350840), (560, 318262), (635, 280672), (716, 248920), (784, 227330), (889, 200480), (895, 199136), (980, 181864), (1016, 175420), (1120, 159131), (1253, 142240), (1270, 140336), (1432, 124460), (1568, 113665), (1778, 100240), (1790, 99568), (1960, 90932), (2032, 87710), (2506, 71120), (2540, 70168), (2864, 62230), (3556, 50120), (3580, 49784), (3920, 45466), (4064, 43855), (4445, 40096), (5012, 35560), (5080, 35084), (5728, 31115), (6223, 28640), (6265, 28448), (7112, 25060), (7160, 24892), (7840, 22733), (8771, 20320), (8890, 20048), (10024, 17780), (10160, 17542), (12446, 14320), (12530, 14224)]