279993984

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 128

約数和(自身を含む): 787015680

約数和(自身を除く): 507021696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 43, 48, 62, 64, 86, 93, 96, 124, 128, 129, 172, 186, 192, 248, 258, 344, 372, 384, 496, 516, 547, 688, 744, 992, 1032, 1094, 1333, 1376, 1488, 1641, 1984, 2064, 2188, 2666, 2752, 2976, 3282, 3968, 3999, 4128, 4376, 5332, 5504, 5952, 6564, 7998, 8256, 8752, 10664, 11904, 13128, 15996, 16512, 16957, 17504, 21328, 23521, 26256, 31992, 33914, 35008, 42656, 47042, 50871, 52512, 63984, 67828, 70016, 70563, 85312, 94084, 101742, 105024, 127968, 135656, 141126, 170624, 188168, 203484, 210048, 255936, 271312, 282252, 376336, 406968, 511872, 542624, 564504, 729151, 752672, 813936, 1085248, 1129008, 1458302, 1505344, 1627872, 2170496, 2187453, 2258016, 2916604, 3010688, 3255744, 4374906, 4516032, 5833208, 6511488, 8749812, 9032064, 11666416, 17499624, 23332832, 34999248, 46665664, 69998496, 93331328, 139996992, 279993984]

約数ペア:

[(1, 279993984), (2, 139996992), (3, 93331328), (4, 69998496), (6, 46665664), (8, 34999248), (12, 23332832), (16, 17499624), (24, 11666416), (31, 9032064), (32, 8749812), (43, 6511488), (48, 5833208), (62, 4516032), (64, 4374906), (86, 3255744), (93, 3010688), (96, 2916604), (124, 2258016), (128, 2187453), (129, 2170496), (172, 1627872), (186, 1505344), (192, 1458302), (248, 1129008), (258, 1085248), (344, 813936), (372, 752672), (384, 729151), (496, 564504), (516, 542624), (547, 511872), (688, 406968), (744, 376336), (992, 282252), (1032, 271312), (1094, 255936), (1333, 210048), (1376, 203484), (1488, 188168), (1641, 170624), (1984, 141126), (2064, 135656), (2188, 127968), (2666, 105024), (2752, 101742), (2976, 94084), (3282, 85312), (3968, 70563), (3999, 70016), (4128, 67828), (4376, 63984), (5332, 52512), (5504, 50871), (5952, 47042), (6564, 42656), (7998, 35008), (8256, 33914), (8752, 31992), (10664, 26256), (11904, 23521), (13128, 21328), (15996, 17504), (16512, 16957)]