258246880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 627056640

約数和(自身を除く): 368809760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 127, 142, 160, 179, 254, 284, 355, 358, 508, 568, 635, 710, 716, 895, 1016, 1136, 1270, 1420, 1432, 1790, 2032, 2272, 2540, 2840, 2864, 3580, 4064, 5080, 5680, 5728, 7160, 9017, 10160, 11360, 12709, 14320, 18034, 20320, 22733, 25418, 28640, 36068, 45085, 45466, 50836, 63545, 72136, 90170, 90932, 101672, 113665, 127090, 144272, 180340, 181864, 203344, 227330, 254180, 288544, 360680, 363728, 406688, 454660, 508360, 721360, 727456, 909320, 1016720, 1442720, 1614043, 1818640, 2033440, 3228086, 3637280, 6456172, 8070215, 12912344, 16140430, 25824688, 32280860, 51649376, 64561720, 129123440, 258246880]

約数ペア:

[(1, 258246880), (2, 129123440), (4, 64561720), (5, 51649376), (8, 32280860), (10, 25824688), (16, 16140430), (20, 12912344), (32, 8070215), (40, 6456172), (71, 3637280), (80, 3228086), (127, 2033440), (142, 1818640), (160, 1614043), (179, 1442720), (254, 1016720), (284, 909320), (355, 727456), (358, 721360), (508, 508360), (568, 454660), (635, 406688), (710, 363728), (716, 360680), (895, 288544), (1016, 254180), (1136, 227330), (1270, 203344), (1420, 181864), (1432, 180340), (1790, 144272), (2032, 127090), (2272, 113665), (2540, 101672), (2840, 90932), (2864, 90170), (3580, 72136), (4064, 63545), (5080, 50836), (5680, 45466), (5728, 45085), (7160, 36068), (9017, 28640), (10160, 25418), (11360, 22733), (12709, 20320), (14320, 18034)]