81221453568

素因数分解:

$2^8\times 3^3\times {\mathrm{53}}^1\times {\mathrm{221713}}^1$

素因数の和:221791

約数の個数: 144

約数和(自身を含む): 244719044640

約数和(自身を除く): 163497591072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 53, 54, 64, 72, 96, 106, 108, 128, 144, 159, 192, 212, 216, 256, 288, 318, 384, 424, 432, 477, 576, 636, 768, 848, 864, 954, 1152, 1272, 1431, 1696, 1728, 1908, 2304, 2544, 2862, 3392, 3456, 3816, 5088, 5724, 6784, 6912, 7632, 10176, 11448, 13568, 15264, 20352, 22896, 30528, 40704, 45792, 61056, 91584, 122112, 183168, 221713, 366336, 443426, 665139, 886852, 1330278, 1773704, 1995417, 2660556, 3547408, 3990834, 5321112, 5986251, 7094816, 7981668, 10642224, 11750789, 11972502, 14189632, 15963336, 21284448, 23501578, 23945004, 28379264, 31926672, 35252367, 42568896, 47003156, 47890008, 56758528, 63853344, 70504734, 85137792, 94006312, 95780016, 105757101, 127706688, 141009468, 170275584, 188012624, 191560032, 211514202, 255413376, 282018936, 317271303, 376025248, 383120064, 423028404, 510826752, 564037872, 634542606, 752050496, 766240128, 846056808, 1128075744, 1269085212, 1504100992, 1532480256, 1692113616, 2256151488, 2538170424, 3008201984, 3384227232, 4512302976, 5076340848, 6768454464, 9024605952, 10152681696, 13536908928, 20305363392, 27073817856, 40610726784, 81221453568]

約数ペア:

[(1, 81221453568), (2, 40610726784), (3, 27073817856), (4, 20305363392), (6, 13536908928), (8, 10152681696), (9, 9024605952), (12, 6768454464), (16, 5076340848), (18, 4512302976), (24, 3384227232), (27, 3008201984), (32, 2538170424), (36, 2256151488), (48, 1692113616), (53, 1532480256), (54, 1504100992), (64, 1269085212), (72, 1128075744), (96, 846056808), (106, 766240128), (108, 752050496), (128, 634542606), (144, 564037872), (159, 510826752), (192, 423028404), (212, 383120064), (216, 376025248), (256, 317271303), (288, 282018936), (318, 255413376), (384, 211514202), (424, 191560032), (432, 188012624), (477, 170275584), (576, 141009468), (636, 127706688), (768, 105757101), (848, 95780016), (864, 94006312), (954, 85137792), (1152, 70504734), (1272, 63853344), (1431, 56758528), (1696, 47890008), (1728, 47003156), (1908, 42568896), (2304, 35252367), (2544, 31926672), (2862, 28379264), (3392, 23945004), (3456, 23501578), (3816, 21284448), (5088, 15963336), (5724, 14189632), (6784, 11972502), (6912, 11750789), (7632, 10642224), (10176, 7981668), (11448, 7094816), (13568, 5986251), (15264, 5321112), (20352, 3990834), (22896, 3547408), (30528, 2660556), (40704, 1995417), (45792, 1773704), (61056, 1330278), (91584, 886852), (122112, 665139), (183168, 443426), (221713, 366336)]