320451712

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 767692800

約数和(自身を除く): 447241088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 83, 112, 124, 128, 139, 166, 217, 224, 248, 278, 332, 434, 448, 496, 556, 581, 664, 868, 896, 973, 992, 1112, 1162, 1328, 1736, 1946, 1984, 2224, 2324, 2573, 2656, 3472, 3892, 3968, 4309, 4448, 4648, 5146, 5312, 6944, 7784, 8618, 8896, 9296, 10292, 10624, 11537, 13888, 15568, 17236, 17792, 18011, 18592, 20584, 23074, 27776, 30163, 31136, 34472, 36022, 37184, 41168, 46148, 60326, 62272, 68944, 72044, 74368, 80759, 82336, 92296, 120652, 124544, 137888, 144088, 161518, 164672, 184592, 241304, 275776, 288176, 323036, 329344, 357647, 369184, 482608, 551552, 576352, 646072, 715294, 738368, 965216, 1152704, 1292144, 1430588, 1476736, 1930432, 2305408, 2503529, 2584288, 2861176, 3860864, 5007058, 5168576, 5722352, 10014116, 10337152, 11444704, 20028232, 22889408, 40056464, 45778816, 80112928, 160225856, 320451712]

約数ペア:

[(1, 320451712), (2, 160225856), (4, 80112928), (7, 45778816), (8, 40056464), (14, 22889408), (16, 20028232), (28, 11444704), (31, 10337152), (32, 10014116), (56, 5722352), (62, 5168576), (64, 5007058), (83, 3860864), (112, 2861176), (124, 2584288), (128, 2503529), (139, 2305408), (166, 1930432), (217, 1476736), (224, 1430588), (248, 1292144), (278, 1152704), (332, 965216), (434, 738368), (448, 715294), (496, 646072), (556, 576352), (581, 551552), (664, 482608), (868, 369184), (896, 357647), (973, 329344), (992, 323036), (1112, 288176), (1162, 275776), (1328, 241304), (1736, 184592), (1946, 164672), (1984, 161518), (2224, 144088), (2324, 137888), (2573, 124544), (2656, 120652), (3472, 92296), (3892, 82336), (3968, 80759), (4309, 74368), (4448, 72044), (4648, 68944), (5146, 62272), (5312, 60326), (6944, 46148), (7784, 41168), (8618, 37184), (8896, 36022), (9296, 34472), (10292, 31136), (10624, 30163), (11537, 27776), (13888, 23074), (15568, 20584), (17236, 18592), (17792, 18011)]