1389547520

素因数分解:

$2^{12}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3619

約数の個数: 104

約数和(自身を含む): 3510990240

約数和(自身を除く): 2121442720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1024, 1216, 1280, 1520, 2048, 2432, 2560, 3040, 3571, 4096, 4864, 5120, 6080, 7142, 9728, 10240, 12160, 14284, 17855, 19456, 20480, 24320, 28568, 35710, 38912, 48640, 57136, 67849, 71420, 77824, 97280, 114272, 135698, 142840, 194560, 228544, 271396, 285680, 339245, 389120, 457088, 542792, 571360, 678490, 914176, 1085584, 1142720, 1356980, 1828352, 2171168, 2285440, 2713960, 3656704, 4342336, 4570880, 5427920, 7313408, 8684672, 9141760, 10855840, 14626816, 17369344, 18283520, 21711680, 34738688, 36567040, 43423360, 69477376, 73134080, 86846720, 138954752, 173693440, 277909504, 347386880, 694773760, 1389547520]

約数ペア:

[(1, 1389547520), (2, 694773760), (4, 347386880), (5, 277909504), (8, 173693440), (10, 138954752), (16, 86846720), (19, 73134080), (20, 69477376), (32, 43423360), (38, 36567040), (40, 34738688), (64, 21711680), (76, 18283520), (80, 17369344), (95, 14626816), (128, 10855840), (152, 9141760), (160, 8684672), (190, 7313408), (256, 5427920), (304, 4570880), (320, 4342336), (380, 3656704), (512, 2713960), (608, 2285440), (640, 2171168), (760, 1828352), (1024, 1356980), (1216, 1142720), (1280, 1085584), (1520, 914176), (2048, 678490), (2432, 571360), (2560, 542792), (3040, 457088), (3571, 389120), (4096, 339245), (4864, 285680), (5120, 271396), (6080, 228544), (7142, 194560), (9728, 142840), (10240, 135698), (12160, 114272), (14284, 97280), (17855, 77824), (19456, 71420), (20480, 67849), (24320, 57136), (28568, 48640), (35710, 38912)]