904188160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{22787}}^1$

素因数の和:22839

約数の個数: 72

約数和(自身を含む): 2235776256

約数和(自身を除く): 1331588096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 22787, 39680, 45574, 91148, 113935, 182296, 227870, 364592, 455740, 706397, 729184, 911480, 1412794, 1458368, 1822960, 2825588, 2916736, 3531985, 3645920, 5651176, 5833472, 7063970, 7291840, 11302352, 14127940, 14583680, 22604704, 28255880, 29167360, 45209408, 56511760, 90418816, 113023520, 180837632, 226047040, 452094080, 904188160]

約数ペア:

[(1, 904188160), (2, 452094080), (4, 226047040), (5, 180837632), (8, 113023520), (10, 90418816), (16, 56511760), (20, 45209408), (31, 29167360), (32, 28255880), (40, 22604704), (62, 14583680), (64, 14127940), (80, 11302352), (124, 7291840), (128, 7063970), (155, 5833472), (160, 5651176), (248, 3645920), (256, 3531985), (310, 2916736), (320, 2825588), (496, 1822960), (620, 1458368), (640, 1412794), (992, 911480), (1240, 729184), (1280, 706397), (1984, 455740), (2480, 364592), (3968, 227870), (4960, 182296), (7936, 113935), (9920, 91148), (19840, 45574), (22787, 39680)]