278632920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 862617600

約数和(自身を除く): 583984680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 127, 141, 188, 235, 254, 282, 376, 381, 389, 470, 508, 564, 635, 705, 762, 778, 940, 1016, 1128, 1167, 1270, 1410, 1524, 1556, 1880, 1905, 1945, 2334, 2540, 2820, 3048, 3112, 3810, 3890, 4668, 5080, 5640, 5835, 5969, 7620, 7780, 9336, 11670, 11938, 15240, 15560, 17907, 18283, 23340, 23876, 29845, 35814, 36566, 46680, 47752, 49403, 54849, 59690, 71628, 73132, 89535, 91415, 98806, 109698, 119380, 143256, 146264, 148209, 179070, 182830, 197612, 219396, 238760, 247015, 274245, 296418, 358140, 365660, 395224, 438792, 494030, 548490, 592836, 716280, 731320, 741045, 988060, 1096980, 1185672, 1482090, 1976120, 2193960, 2321941, 2964180, 4643882, 5928360, 6965823, 9287764, 11609705, 13931646, 18575528, 23219410, 27863292, 34829115, 46438820, 55726584, 69658230, 92877640, 139316460, 278632920]

約数ペア:

[(1, 278632920), (2, 139316460), (3, 92877640), (4, 69658230), (5, 55726584), (6, 46438820), (8, 34829115), (10, 27863292), (12, 23219410), (15, 18575528), (20, 13931646), (24, 11609705), (30, 9287764), (40, 6965823), (47, 5928360), (60, 4643882), (94, 2964180), (120, 2321941), (127, 2193960), (141, 1976120), (188, 1482090), (235, 1185672), (254, 1096980), (282, 988060), (376, 741045), (381, 731320), (389, 716280), (470, 592836), (508, 548490), (564, 494030), (635, 438792), (705, 395224), (762, 365660), (778, 358140), (940, 296418), (1016, 274245), (1128, 247015), (1167, 238760), (1270, 219396), (1410, 197612), (1524, 182830), (1556, 179070), (1880, 148209), (1905, 146264), (1945, 143256), (2334, 119380), (2540, 109698), (2820, 98806), (3048, 91415), (3112, 89535), (3810, 73132), (3890, 71628), (4668, 59690), (5080, 54849), (5640, 49403), (5835, 47752), (5969, 46680), (7620, 36566), (7780, 35814), (9336, 29845), (11670, 23876), (11938, 23340), (15240, 18283), (15560, 17907)]