308326720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:708

約数の個数: 112

約数和(自身を含む): 797923728

約数和(自身を除く): 489597008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 137, 160, 208, 260, 274, 320, 416, 520, 541, 548, 685, 832, 1040, 1082, 1096, 1370, 1781, 2080, 2164, 2192, 2705, 2740, 3562, 4160, 4328, 4384, 5410, 5480, 7033, 7124, 8656, 8768, 8905, 10820, 10960, 14066, 14248, 17312, 17810, 21640, 21920, 28132, 28496, 34624, 35165, 35620, 43280, 43840, 56264, 56992, 70330, 71240, 74117, 86560, 112528, 113984, 140660, 142480, 148234, 173120, 225056, 281320, 284960, 296468, 370585, 450112, 562640, 569920, 592936, 741170, 963521, 1125280, 1185872, 1482340, 1927042, 2250560, 2371744, 2964680, 3854084, 4743488, 4817605, 5929360, 7708168, 9635210, 11858720, 15416336, 19270420, 23717440, 30832672, 38540840, 61665344, 77081680, 154163360, 308326720]

約数ペア:

[(1, 308326720), (2, 154163360), (4, 77081680), (5, 61665344), (8, 38540840), (10, 30832672), (13, 23717440), (16, 19270420), (20, 15416336), (26, 11858720), (32, 9635210), (40, 7708168), (52, 5929360), (64, 4817605), (65, 4743488), (80, 3854084), (104, 2964680), (130, 2371744), (137, 2250560), (160, 1927042), (208, 1482340), (260, 1185872), (274, 1125280), (320, 963521), (416, 741170), (520, 592936), (541, 569920), (548, 562640), (685, 450112), (832, 370585), (1040, 296468), (1082, 284960), (1096, 281320), (1370, 225056), (1781, 173120), (2080, 148234), (2164, 142480), (2192, 140660), (2705, 113984), (2740, 112528), (3562, 86560), (4160, 74117), (4328, 71240), (4384, 70330), (5410, 56992), (5480, 56264), (7033, 43840), (7124, 43280), (8656, 35620), (8768, 35165), (8905, 34624), (10820, 28496), (10960, 28132), (14066, 21920), (14248, 21640), (17312, 17810)]