280130136

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2697

約数の個数: 128

約数和(自身を含む): 849623040

約数和(自身を除く): 569492904

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 248, 264, 286, 312, 341, 372, 403, 429, 572, 682, 744, 806, 858, 1023, 1144, 1209, 1364, 1612, 1716, 2046, 2418, 2633, 2728, 3224, 3432, 4092, 4433, 4836, 5266, 7899, 8184, 8866, 9672, 10532, 13299, 15798, 17732, 21064, 26598, 28963, 31596, 34229, 35464, 53196, 57926, 63192, 68458, 81623, 86889, 102687, 106392, 115852, 136916, 163246, 173778, 205374, 231704, 244869, 273832, 326492, 347556, 376519, 410748, 489738, 652984, 695112, 753038, 821496, 897853, 979476, 1061099, 1129557, 1506076, 1795706, 1958952, 2122198, 2259114, 2693559, 3012152, 3183297, 3591412, 4244396, 4518228, 5387118, 6366594, 7182824, 8488792, 9036456, 10774236, 11672089, 12733188, 21548472, 23344178, 25466376, 35016267, 46688356, 70032534, 93376712, 140065068, 280130136]

約数ペア:

[(1, 280130136), (2, 140065068), (3, 93376712), (4, 70032534), (6, 46688356), (8, 35016267), (11, 25466376), (12, 23344178), (13, 21548472), (22, 12733188), (24, 11672089), (26, 10774236), (31, 9036456), (33, 8488792), (39, 7182824), (44, 6366594), (52, 5387118), (62, 4518228), (66, 4244396), (78, 3591412), (88, 3183297), (93, 3012152), (104, 2693559), (124, 2259114), (132, 2122198), (143, 1958952), (156, 1795706), (186, 1506076), (248, 1129557), (264, 1061099), (286, 979476), (312, 897853), (341, 821496), (372, 753038), (403, 695112), (429, 652984), (572, 489738), (682, 410748), (744, 376519), (806, 347556), (858, 326492), (1023, 273832), (1144, 244869), (1209, 231704), (1364, 205374), (1612, 173778), (1716, 163246), (2046, 136916), (2418, 115852), (2633, 106392), (2728, 102687), (3224, 86889), (3432, 81623), (4092, 68458), (4433, 63192), (4836, 57926), (5266, 53196), (7899, 35464), (8184, 34229), (8866, 31596), (9672, 28963), (10532, 26598), (13299, 21064), (15798, 17732)]