1905151128

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:805

約数の個数: 128

約数和(自身を含む): 5203968000

約数和(自身を除く): 3298816872

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 307, 372, 439, 456, 589, 614, 744, 878, 921, 1178, 1228, 1317, 1756, 1767, 1842, 2356, 2456, 2634, 3512, 3534, 3684, 4712, 5268, 5833, 7068, 7368, 8341, 9517, 10536, 11666, 13609, 14136, 16682, 17499, 19034, 23332, 25023, 27218, 28551, 33364, 34998, 38068, 40827, 46664, 50046, 54436, 57102, 66728, 69996, 76136, 81654, 100092, 108872, 114204, 134773, 139992, 163308, 180823, 200184, 228408, 258571, 269546, 326616, 361646, 404319, 517142, 539092, 542469, 723292, 775713, 808638, 1034284, 1078184, 1084938, 1446584, 1551426, 1617276, 2068568, 2169876, 2560687, 3102852, 3234552, 4177963, 4339752, 5121374, 6205704, 7682061, 8355926, 10242748, 12533889, 15364122, 16711852, 20485496, 25067778, 30728244, 33423704, 50135556, 61456488, 79381297, 100271112, 158762594, 238143891, 317525188, 476287782, 635050376, 952575564, 1905151128]

約数ペア:

[(1, 1905151128), (2, 952575564), (3, 635050376), (4, 476287782), (6, 317525188), (8, 238143891), (12, 158762594), (19, 100271112), (24, 79381297), (31, 61456488), (38, 50135556), (57, 33423704), (62, 30728244), (76, 25067778), (93, 20485496), (114, 16711852), (124, 15364122), (152, 12533889), (186, 10242748), (228, 8355926), (248, 7682061), (307, 6205704), (372, 5121374), (439, 4339752), (456, 4177963), (589, 3234552), (614, 3102852), (744, 2560687), (878, 2169876), (921, 2068568), (1178, 1617276), (1228, 1551426), (1317, 1446584), (1756, 1084938), (1767, 1078184), (1842, 1034284), (2356, 808638), (2456, 775713), (2634, 723292), (3512, 542469), (3534, 539092), (3684, 517142), (4712, 404319), (5268, 361646), (5833, 326616), (7068, 269546), (7368, 258571), (8341, 228408), (9517, 200184), (10536, 180823), (11666, 163308), (13609, 139992), (14136, 134773), (16682, 114204), (17499, 108872), (19034, 100092), (23332, 81654), (25023, 76136), (27218, 69996), (28551, 66728), (33364, 57102), (34998, 54436), (38068, 50046), (40827, 46664)]