664946560

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:468

約数の個数: 128

約数和(自身を含む): 1674432000

約数和(自身を除く): 1009485440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 199, 227, 230, 320, 368, 398, 454, 460, 640, 736, 796, 908, 920, 995, 1135, 1472, 1592, 1816, 1840, 1990, 2270, 2944, 3184, 3632, 3680, 3980, 4540, 4577, 5221, 6368, 7264, 7360, 7960, 9080, 9154, 10442, 12736, 14528, 14720, 15920, 18160, 18308, 20884, 22885, 25472, 26105, 29056, 31840, 36320, 36616, 41768, 45173, 45770, 52210, 63680, 72640, 73232, 83536, 90346, 91540, 104420, 127360, 145280, 146464, 167072, 180692, 183080, 208840, 225865, 292928, 334144, 361384, 366160, 417680, 451730, 585856, 668288, 722768, 732320, 835360, 903460, 1038979, 1445536, 1464640, 1670720, 1806920, 2077958, 2891072, 2929280, 3341440, 3613840, 4155916, 5194895, 5782144, 7227680, 8311832, 10389790, 14455360, 16623664, 20779580, 28910720, 33247328, 41559160, 66494656, 83118320, 132989312, 166236640, 332473280, 664946560]

約数ペア:

[(1, 664946560), (2, 332473280), (4, 166236640), (5, 132989312), (8, 83118320), (10, 66494656), (16, 41559160), (20, 33247328), (23, 28910720), (32, 20779580), (40, 16623664), (46, 14455360), (64, 10389790), (80, 8311832), (92, 7227680), (115, 5782144), (128, 5194895), (160, 4155916), (184, 3613840), (199, 3341440), (227, 2929280), (230, 2891072), (320, 2077958), (368, 1806920), (398, 1670720), (454, 1464640), (460, 1445536), (640, 1038979), (736, 903460), (796, 835360), (908, 732320), (920, 722768), (995, 668288), (1135, 585856), (1472, 451730), (1592, 417680), (1816, 366160), (1840, 361384), (1990, 334144), (2270, 292928), (2944, 225865), (3184, 208840), (3632, 183080), (3680, 180692), (3980, 167072), (4540, 146464), (4577, 145280), (5221, 127360), (6368, 104420), (7264, 91540), (7360, 90346), (7960, 83536), (9080, 73232), (9154, 72640), (10442, 63680), (12736, 52210), (14528, 45770), (14720, 45173), (15920, 41768), (18160, 36616), (18308, 36320), (20884, 31840), (22885, 29056), (25472, 26105)]