261880960

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37199}}^1$

素因数の和:37229

約数の個数: 64

約数和(自身を含む): 682992000

約数和(自身を除く): 421111040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 37199, 74398, 148796, 185995, 297592, 371990, 409189, 595184, 743980, 818378, 1190368, 1487960, 1636756, 2045945, 2380736, 2975920, 3273512, 4091890, 4761472, 5951840, 6547024, 8183780, 11903680, 13094048, 16367560, 23807360, 26188096, 32735120, 52376192, 65470240, 130940480, 261880960]

約数ペア:

[(1, 261880960), (2, 130940480), (4, 65470240), (5, 52376192), (8, 32735120), (10, 26188096), (11, 23807360), (16, 16367560), (20, 13094048), (22, 11903680), (32, 8183780), (40, 6547024), (44, 5951840), (55, 4761472), (64, 4091890), (80, 3273512), (88, 2975920), (110, 2380736), (128, 2045945), (160, 1636756), (176, 1487960), (220, 1190368), (320, 818378), (352, 743980), (440, 595184), (640, 409189), (704, 371990), (880, 297592), (1408, 185995), (1760, 148796), (3520, 74398), (7040, 37199)]