321554816

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 740275200

約数和(自身を除く): 418720384

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 53, 62, 64, 88, 106, 124, 128, 139, 176, 212, 248, 278, 341, 352, 424, 496, 556, 583, 682, 704, 848, 992, 1112, 1166, 1364, 1408, 1529, 1643, 1696, 1984, 2224, 2332, 2728, 3058, 3286, 3392, 3968, 4309, 4448, 4664, 5456, 6116, 6572, 6784, 7367, 8618, 8896, 9328, 10912, 12232, 13144, 14734, 17236, 17792, 18073, 18656, 21824, 24464, 26288, 29468, 34472, 36146, 37312, 43648, 47399, 48928, 52576, 58936, 68944, 72292, 74624, 81037, 94798, 97856, 105152, 117872, 137888, 144584, 162074, 189596, 195712, 210304, 228377, 235744, 275776, 289168, 324148, 379192, 456754, 471488, 551552, 578336, 648296, 758384, 913508, 942976, 1156672, 1296592, 1516768, 1827016, 2313344, 2512147, 2593184, 3033536, 3654032, 5024294, 5186368, 6067072, 7308064, 10048588, 10372736, 14616128, 20097176, 29232256, 40194352, 80388704, 160777408, 321554816]

約数ペア:

[(1, 321554816), (2, 160777408), (4, 80388704), (8, 40194352), (11, 29232256), (16, 20097176), (22, 14616128), (31, 10372736), (32, 10048588), (44, 7308064), (53, 6067072), (62, 5186368), (64, 5024294), (88, 3654032), (106, 3033536), (124, 2593184), (128, 2512147), (139, 2313344), (176, 1827016), (212, 1516768), (248, 1296592), (278, 1156672), (341, 942976), (352, 913508), (424, 758384), (496, 648296), (556, 578336), (583, 551552), (682, 471488), (704, 456754), (848, 379192), (992, 324148), (1112, 289168), (1166, 275776), (1364, 235744), (1408, 228377), (1529, 210304), (1643, 195712), (1696, 189596), (1984, 162074), (2224, 144584), (2332, 137888), (2728, 117872), (3058, 105152), (3286, 97856), (3392, 94798), (3968, 81037), (4309, 74624), (4448, 72292), (4664, 68944), (5456, 58936), (6116, 52576), (6572, 48928), (6784, 47399), (7367, 43648), (8618, 37312), (8896, 36146), (9328, 34472), (10912, 29468), (12232, 26288), (13144, 24464), (14734, 21824), (17236, 18656), (17792, 18073)]