128538984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 381911040

約数和(自身を除く): 253372056

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 47, 56, 73, 84, 94, 141, 146, 168, 188, 219, 223, 282, 292, 329, 376, 438, 446, 511, 564, 584, 658, 669, 876, 892, 987, 1022, 1128, 1316, 1338, 1533, 1561, 1752, 1784, 1974, 2044, 2632, 2676, 3066, 3122, 3431, 3948, 4088, 4683, 5352, 6132, 6244, 6862, 7896, 9366, 10293, 10481, 12264, 12488, 13724, 16279, 18732, 20586, 20962, 24017, 27448, 31443, 32558, 37464, 41172, 41924, 48034, 48837, 62886, 65116, 72051, 73367, 82344, 83848, 96068, 97674, 113953, 125772, 130232, 144102, 146734, 192136, 195348, 220101, 227906, 251544, 288204, 293468, 341859, 390696, 440202, 455812, 576408, 586936, 683718, 765113, 880404, 911624, 1367436, 1530226, 1760808, 2295339, 2734872, 3060452, 4590678, 5355791, 6120904, 9181356, 10711582, 16067373, 18362712, 21423164, 32134746, 42846328, 64269492, 128538984]

約数ペア:

[(1, 128538984), (2, 64269492), (3, 42846328), (4, 32134746), (6, 21423164), (7, 18362712), (8, 16067373), (12, 10711582), (14, 9181356), (21, 6120904), (24, 5355791), (28, 4590678), (42, 3060452), (47, 2734872), (56, 2295339), (73, 1760808), (84, 1530226), (94, 1367436), (141, 911624), (146, 880404), (168, 765113), (188, 683718), (219, 586936), (223, 576408), (282, 455812), (292, 440202), (329, 390696), (376, 341859), (438, 293468), (446, 288204), (511, 251544), (564, 227906), (584, 220101), (658, 195348), (669, 192136), (876, 146734), (892, 144102), (987, 130232), (1022, 125772), (1128, 113953), (1316, 97674), (1338, 96068), (1533, 83848), (1561, 82344), (1752, 73367), (1784, 72051), (1974, 65116), (2044, 62886), (2632, 48837), (2676, 48034), (3066, 41924), (3122, 41172), (3431, 37464), (3948, 32558), (4088, 31443), (4683, 27448), (5352, 24017), (6132, 20962), (6244, 20586), (6862, 18732), (7896, 16279), (9366, 13724), (10293, 12488), (10481, 12264)]