666703360

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 120

約数和(自身を含む): 1657849248

約数和(自身を除く): 991145888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 271, 310, 320, 496, 512, 542, 620, 640, 961, 992, 1084, 1240, 1280, 1355, 1922, 1984, 2168, 2480, 2560, 2710, 3844, 3968, 4336, 4805, 4960, 5420, 7688, 7936, 8401, 8672, 9610, 9920, 10840, 15376, 15872, 16802, 17344, 19220, 19840, 21680, 30752, 33604, 34688, 38440, 39680, 42005, 43360, 61504, 67208, 69376, 76880, 79360, 84010, 86720, 123008, 134416, 138752, 153760, 168020, 173440, 246016, 260431, 268832, 307520, 336040, 346880, 492032, 520862, 537664, 615040, 672080, 693760, 1041724, 1075328, 1230080, 1302155, 1344160, 2083448, 2150656, 2460160, 2604310, 2688320, 4166896, 4301312, 5208620, 5376640, 8333792, 10417240, 10753280, 16667584, 20834480, 21506560, 33335168, 41668960, 66670336, 83337920, 133340672, 166675840, 333351680, 666703360]

約数ペア:

[(1, 666703360), (2, 333351680), (4, 166675840), (5, 133340672), (8, 83337920), (10, 66670336), (16, 41668960), (20, 33335168), (31, 21506560), (32, 20834480), (40, 16667584), (62, 10753280), (64, 10417240), (80, 8333792), (124, 5376640), (128, 5208620), (155, 4301312), (160, 4166896), (248, 2688320), (256, 2604310), (271, 2460160), (310, 2150656), (320, 2083448), (496, 1344160), (512, 1302155), (542, 1230080), (620, 1075328), (640, 1041724), (961, 693760), (992, 672080), (1084, 615040), (1240, 537664), (1280, 520862), (1355, 492032), (1922, 346880), (1984, 336040), (2168, 307520), (2480, 268832), (2560, 260431), (2710, 246016), (3844, 173440), (3968, 168020), (4336, 153760), (4805, 138752), (4960, 134416), (5420, 123008), (7688, 86720), (7936, 84010), (8401, 79360), (8672, 76880), (9610, 69376), (9920, 67208), (10840, 61504), (15376, 43360), (15872, 42005), (16802, 39680), (17344, 38440), (19220, 34688), (19840, 33604), (21680, 30752)]