442264640

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:380

約数の個数: 112

約数和(自身を含む): 1084722240

約数和(自身を除く): 642457600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 139, 160, 163, 244, 278, 305, 320, 326, 488, 556, 610, 652, 695, 815, 976, 1112, 1220, 1304, 1390, 1630, 1952, 2224, 2440, 2608, 2780, 3260, 3904, 4448, 4880, 5216, 5560, 6520, 8479, 8896, 9760, 9943, 10432, 11120, 13040, 16958, 19520, 19886, 22240, 22657, 26080, 33916, 39772, 42395, 44480, 45314, 49715, 52160, 67832, 79544, 84790, 90628, 99430, 113285, 135664, 159088, 169580, 181256, 198860, 226570, 271328, 318176, 339160, 362512, 397720, 453140, 542656, 636352, 678320, 725024, 795440, 906280, 1356640, 1382077, 1450048, 1590880, 1812560, 2713280, 2764154, 3181760, 3625120, 5528308, 6910385, 7250240, 11056616, 13820770, 22113232, 27641540, 44226464, 55283080, 88452928, 110566160, 221132320, 442264640]

約数ペア:

[(1, 442264640), (2, 221132320), (4, 110566160), (5, 88452928), (8, 55283080), (10, 44226464), (16, 27641540), (20, 22113232), (32, 13820770), (40, 11056616), (61, 7250240), (64, 6910385), (80, 5528308), (122, 3625120), (139, 3181760), (160, 2764154), (163, 2713280), (244, 1812560), (278, 1590880), (305, 1450048), (320, 1382077), (326, 1356640), (488, 906280), (556, 795440), (610, 725024), (652, 678320), (695, 636352), (815, 542656), (976, 453140), (1112, 397720), (1220, 362512), (1304, 339160), (1390, 318176), (1630, 271328), (1952, 226570), (2224, 198860), (2440, 181256), (2608, 169580), (2780, 159088), (3260, 135664), (3904, 113285), (4448, 99430), (4880, 90628), (5216, 84790), (5560, 79544), (6520, 67832), (8479, 52160), (8896, 49715), (9760, 45314), (9943, 44480), (10432, 42395), (11120, 39772), (13040, 33916), (16958, 26080), (19520, 22657), (19886, 22240)]