78838480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6121}}^1$

素因数の和:6164

約数の個数: 80

約数和(自身を含む): 218628864

約数和(自身を除く): 139790384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6121, 6440, 12242, 12880, 24484, 30605, 42847, 48968, 61210, 85694, 97936, 122420, 140783, 171388, 214235, 244840, 281566, 342776, 428470, 489680, 563132, 685552, 703915, 856940, 985481, 1126264, 1407830, 1713880, 1970962, 2252528, 2815660, 3427760, 3941924, 4927405, 5631320, 7883848, 9854810, 11262640, 15767696, 19709620, 39419240, 78838480]

約数ペア:

[(1, 78838480), (2, 39419240), (4, 19709620), (5, 15767696), (7, 11262640), (8, 9854810), (10, 7883848), (14, 5631320), (16, 4927405), (20, 3941924), (23, 3427760), (28, 2815660), (35, 2252528), (40, 1970962), (46, 1713880), (56, 1407830), (70, 1126264), (80, 985481), (92, 856940), (112, 703915), (115, 685552), (140, 563132), (161, 489680), (184, 428470), (230, 342776), (280, 281566), (322, 244840), (368, 214235), (460, 171388), (560, 140783), (644, 122420), (805, 97936), (920, 85694), (1288, 61210), (1610, 48968), (1840, 42847), (2576, 30605), (3220, 24484), (6121, 12880), (6440, 12242)]