81460736

素因数分解:

$2^9\times 7^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 120

約数和(自身を含む): 201522816

約数和(自身を除く): 120062080

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 49, 56, 64, 68, 98, 112, 119, 128, 136, 191, 196, 224, 238, 256, 272, 382, 392, 448, 476, 512, 544, 764, 784, 833, 896, 952, 1088, 1337, 1528, 1568, 1666, 1792, 1904, 2176, 2674, 3056, 3136, 3247, 3332, 3584, 3808, 4352, 5348, 6112, 6272, 6494, 6664, 7616, 8704, 9359, 10696, 12224, 12544, 12988, 13328, 15232, 18718, 21392, 22729, 24448, 25088, 25976, 26656, 30464, 37436, 42784, 45458, 48896, 51952, 53312, 60928, 74872, 85568, 90916, 97792, 103904, 106624, 149744, 159103, 171136, 181832, 207808, 213248, 299488, 318206, 342272, 363664, 415616, 426496, 598976, 636412, 684544, 727328, 831232, 1197952, 1272824, 1454656, 1662464, 2395904, 2545648, 2909312, 4791808, 5091296, 5818624, 10182592, 11637248, 20365184, 40730368, 81460736]

約数ペア:

[(1, 81460736), (2, 40730368), (4, 20365184), (7, 11637248), (8, 10182592), (14, 5818624), (16, 5091296), (17, 4791808), (28, 2909312), (32, 2545648), (34, 2395904), (49, 1662464), (56, 1454656), (64, 1272824), (68, 1197952), (98, 831232), (112, 727328), (119, 684544), (128, 636412), (136, 598976), (191, 426496), (196, 415616), (224, 363664), (238, 342272), (256, 318206), (272, 299488), (382, 213248), (392, 207808), (448, 181832), (476, 171136), (512, 159103), (544, 149744), (764, 106624), (784, 103904), (833, 97792), (896, 90916), (952, 85568), (1088, 74872), (1337, 60928), (1528, 53312), (1568, 51952), (1666, 48896), (1792, 45458), (1904, 42784), (2176, 37436), (2674, 30464), (3056, 26656), (3136, 25976), (3247, 25088), (3332, 24448), (3584, 22729), (3808, 21392), (4352, 18718), (5348, 15232), (6112, 13328), (6272, 12988), (6494, 12544), (6664, 12224), (7616, 10696), (8704, 9359)]