128727312

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:493

約数の個数: 120

約数和(自身を含む): 390153600

約数和(自身を除く): 261426288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 229, 239, 294, 336, 392, 458, 478, 588, 687, 717, 784, 916, 956, 1176, 1374, 1434, 1603, 1673, 1832, 1912, 2352, 2748, 2868, 3206, 3346, 3664, 3824, 4809, 5019, 5496, 5736, 6412, 6692, 9618, 10038, 10992, 11221, 11472, 11711, 12824, 13384, 19236, 20076, 22442, 23422, 25648, 26768, 33663, 35133, 38472, 40152, 44884, 46844, 54731, 67326, 70266, 76944, 80304, 89768, 93688, 109462, 134652, 140532, 164193, 179536, 187376, 218924, 269304, 281064, 328386, 383117, 437848, 538608, 562128, 656772, 766234, 875696, 1149351, 1313544, 1532468, 2298702, 2627088, 2681819, 3064936, 4597404, 5363638, 6129872, 8045457, 9194808, 10727276, 16090914, 18389616, 21454552, 32181828, 42909104, 64363656, 128727312]

約数ペア:

[(1, 128727312), (2, 64363656), (3, 42909104), (4, 32181828), (6, 21454552), (7, 18389616), (8, 16090914), (12, 10727276), (14, 9194808), (16, 8045457), (21, 6129872), (24, 5363638), (28, 4597404), (42, 3064936), (48, 2681819), (49, 2627088), (56, 2298702), (84, 1532468), (98, 1313544), (112, 1149351), (147, 875696), (168, 766234), (196, 656772), (229, 562128), (239, 538608), (294, 437848), (336, 383117), (392, 328386), (458, 281064), (478, 269304), (588, 218924), (687, 187376), (717, 179536), (784, 164193), (916, 140532), (956, 134652), (1176, 109462), (1374, 93688), (1434, 89768), (1603, 80304), (1673, 76944), (1832, 70266), (1912, 67326), (2352, 54731), (2748, 46844), (2868, 44884), (3206, 40152), (3346, 38472), (3664, 35133), (3824, 33663), (4809, 26768), (5019, 25648), (5496, 23422), (5736, 22442), (6412, 20076), (6692, 19236), (9618, 13384), (10038, 12824), (10992, 11711), (11221, 11472)]