645728512

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 1565867520

約数和(自身を除く): 920139008

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 64, 88, 104, 124, 128, 143, 176, 208, 248, 256, 286, 341, 352, 403, 416, 496, 569, 572, 682, 704, 806, 832, 992, 1138, 1144, 1364, 1408, 1612, 1664, 1984, 2276, 2288, 2728, 2816, 3224, 3328, 3968, 4433, 4552, 4576, 5456, 6259, 6448, 7397, 7936, 8866, 9104, 9152, 10912, 12518, 12896, 14794, 17639, 17732, 18208, 18304, 21824, 25036, 25792, 29588, 35278, 35464, 36416, 36608, 43648, 50072, 51584, 59176, 70556, 70928, 72832, 81367, 87296, 100144, 103168, 118352, 141112, 141856, 145664, 162734, 194029, 200288, 229307, 236704, 282224, 283712, 325468, 388058, 400576, 458614, 473408, 564448, 567424, 650936, 776116, 801152, 917228, 946816, 1128896, 1134848, 1301872, 1552232, 1602304, 1834456, 1893632, 2257792, 2522377, 2603744, 3104464, 3668912, 4515584, 5044754, 5207488, 6208928, 7337824, 10089508, 10414976, 12417856, 14675648, 20179016, 20829952, 24835712, 29351296, 40358032, 49671424, 58702592, 80716064, 161432128, 322864256, 645728512]

約数ペア:

[(1, 645728512), (2, 322864256), (4, 161432128), (8, 80716064), (11, 58702592), (13, 49671424), (16, 40358032), (22, 29351296), (26, 24835712), (31, 20829952), (32, 20179016), (44, 14675648), (52, 12417856), (62, 10414976), (64, 10089508), (88, 7337824), (104, 6208928), (124, 5207488), (128, 5044754), (143, 4515584), (176, 3668912), (208, 3104464), (248, 2603744), (256, 2522377), (286, 2257792), (341, 1893632), (352, 1834456), (403, 1602304), (416, 1552232), (496, 1301872), (569, 1134848), (572, 1128896), (682, 946816), (704, 917228), (806, 801152), (832, 776116), (992, 650936), (1138, 567424), (1144, 564448), (1364, 473408), (1408, 458614), (1612, 400576), (1664, 388058), (1984, 325468), (2276, 283712), (2288, 282224), (2728, 236704), (2816, 229307), (3224, 200288), (3328, 194029), (3968, 162734), (4433, 145664), (4552, 141856), (4576, 141112), (5456, 118352), (6259, 103168), (6448, 100144), (7397, 87296), (7936, 81367), (8866, 72832), (9104, 70928), (9152, 70556), (10912, 59176), (12518, 51584), (12896, 50072), (14794, 43648), (17639, 36608), (17732, 36416), (18208, 35464), (18304, 35278), (21824, 29588), (25036, 25792)]