123840784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 276410880

約数和(自身を除く): 152570096

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 589, 646, 773, 1054, 1178, 1292, 1546, 2108, 2356, 2584, 3092, 4216, 4712, 5168, 6184, 8432, 9424, 10013, 12368, 13141, 14687, 20026, 23963, 26282, 29374, 40052, 47926, 52564, 58748, 80104, 95852, 105128, 117496, 160208, 191704, 210256, 234992, 249679, 383408, 407371, 455297, 499358, 814742, 910594, 998716, 1629484, 1821188, 1997432, 3258968, 3642376, 3994864, 6517936, 7284752, 7740049, 15480098, 30960196, 61920392, 123840784]

約数ペア:

[(1, 123840784), (2, 61920392), (4, 30960196), (8, 15480098), (16, 7740049), (17, 7284752), (19, 6517936), (31, 3994864), (34, 3642376), (38, 3258968), (62, 1997432), (68, 1821188), (76, 1629484), (124, 998716), (136, 910594), (152, 814742), (248, 499358), (272, 455297), (304, 407371), (323, 383408), (496, 249679), (527, 234992), (589, 210256), (646, 191704), (773, 160208), (1054, 117496), (1178, 105128), (1292, 95852), (1546, 80104), (2108, 58748), (2356, 52564), (2584, 47926), (3092, 40052), (4216, 29374), (4712, 26282), (5168, 23963), (6184, 20026), (8432, 14687), (9424, 13141), (10013, 12368)]