123667520

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 112

約数和(自身を含む): 316016640

約数和(自身を除く): 192349120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 127, 136, 160, 170, 179, 254, 272, 320, 340, 358, 508, 544, 635, 680, 716, 895, 1016, 1088, 1270, 1360, 1432, 1790, 2032, 2159, 2540, 2720, 2864, 3043, 3580, 4064, 4318, 5080, 5440, 5728, 6086, 7160, 8128, 8636, 10160, 10795, 11456, 12172, 14320, 15215, 17272, 20320, 21590, 22733, 24344, 28640, 30430, 34544, 40640, 43180, 45466, 48688, 57280, 60860, 69088, 86360, 90932, 97376, 113665, 121720, 138176, 172720, 181864, 194752, 227330, 243440, 345440, 363728, 386461, 454660, 486880, 690880, 727456, 772922, 909320, 973760, 1454912, 1545844, 1818640, 1932305, 3091688, 3637280, 3864610, 6183376, 7274560, 7729220, 12366752, 15458440, 24733504, 30916880, 61833760, 123667520]

約数ペア:

[(1, 123667520), (2, 61833760), (4, 30916880), (5, 24733504), (8, 15458440), (10, 12366752), (16, 7729220), (17, 7274560), (20, 6183376), (32, 3864610), (34, 3637280), (40, 3091688), (64, 1932305), (68, 1818640), (80, 1545844), (85, 1454912), (127, 973760), (136, 909320), (160, 772922), (170, 727456), (179, 690880), (254, 486880), (272, 454660), (320, 386461), (340, 363728), (358, 345440), (508, 243440), (544, 227330), (635, 194752), (680, 181864), (716, 172720), (895, 138176), (1016, 121720), (1088, 113665), (1270, 97376), (1360, 90932), (1432, 86360), (1790, 69088), (2032, 60860), (2159, 57280), (2540, 48688), (2720, 45466), (2864, 43180), (3043, 40640), (3580, 34544), (4064, 30430), (4318, 28640), (5080, 24344), (5440, 22733), (5728, 21590), (6086, 20320), (7160, 17272), (8128, 15215), (8636, 14320), (10160, 12172), (10795, 11456)]