1989792

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 6894720

約数和(自身を除く): 4904928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 47, 48, 49, 54, 56, 63, 72, 84, 94, 96, 98, 108, 112, 126, 141, 144, 147, 168, 188, 189, 196, 216, 224, 252, 282, 288, 294, 329, 336, 376, 378, 392, 423, 432, 441, 504, 564, 588, 658, 672, 752, 756, 784, 846, 864, 882, 987, 1008, 1128, 1176, 1269, 1316, 1323, 1504, 1512, 1568, 1692, 1764, 1974, 2016, 2256, 2303, 2352, 2538, 2632, 2646, 2961, 3024, 3384, 3528, 3948, 4512, 4606, 4704, 5076, 5264, 5292, 5922, 6048, 6768, 6909, 7056, 7896, 8883, 9212, 10152, 10528, 10584, 11844, 13536, 13818, 14112, 15792, 17766, 18424, 20304, 20727, 21168, 23688, 27636, 31584, 35532, 36848, 40608, 41454, 42336, 47376, 55272, 62181, 71064, 73696, 82908, 94752, 110544, 124362, 142128, 165816, 221088, 248724, 284256, 331632, 497448, 663264, 994896, 1989792]

約数ペア:

[(1, 1989792), (2, 994896), (3, 663264), (4, 497448), (6, 331632), (7, 284256), (8, 248724), (9, 221088), (12, 165816), (14, 142128), (16, 124362), (18, 110544), (21, 94752), (24, 82908), (27, 73696), (28, 71064), (32, 62181), (36, 55272), (42, 47376), (47, 42336), (48, 41454), (49, 40608), (54, 36848), (56, 35532), (63, 31584), (72, 27636), (84, 23688), (94, 21168), (96, 20727), (98, 20304), (108, 18424), (112, 17766), (126, 15792), (141, 14112), (144, 13818), (147, 13536), (168, 11844), (188, 10584), (189, 10528), (196, 10152), (216, 9212), (224, 8883), (252, 7896), (282, 7056), (288, 6909), (294, 6768), (329, 6048), (336, 5922), (376, 5292), (378, 5264), (392, 5076), (423, 4704), (432, 4606), (441, 4512), (504, 3948), (564, 3528), (588, 3384), (658, 3024), (672, 2961), (752, 2646), (756, 2632), (784, 2538), (846, 2352), (864, 2303), (882, 2256), (987, 2016), (1008, 1974), (1128, 1764), (1176, 1692), (1269, 1568), (1316, 1512), (1323, 1504)]