1720328704

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1987}}^1$

素因数の和:2113

約数の個数: 80

約数和(自身を含む): 3660703200

約数和(自身を除く): 1940374496

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 89, 128, 152, 178, 256, 304, 356, 512, 608, 712, 1216, 1424, 1691, 1987, 2432, 2848, 3382, 3974, 4864, 5696, 6764, 7948, 9728, 11392, 13528, 15896, 22784, 27056, 31792, 37753, 45568, 54112, 63584, 75506, 108224, 127168, 151012, 176843, 216448, 254336, 302024, 353686, 432896, 508672, 604048, 707372, 865792, 1017344, 1208096, 1414744, 2416192, 2829488, 3360017, 4832384, 5658976, 6720034, 9664768, 11317952, 13440068, 19329536, 22635904, 26880136, 45271808, 53760272, 90543616, 107520544, 215041088, 430082176, 860164352, 1720328704]

約数ペア:

[(1, 1720328704), (2, 860164352), (4, 430082176), (8, 215041088), (16, 107520544), (19, 90543616), (32, 53760272), (38, 45271808), (64, 26880136), (76, 22635904), (89, 19329536), (128, 13440068), (152, 11317952), (178, 9664768), (256, 6720034), (304, 5658976), (356, 4832384), (512, 3360017), (608, 2829488), (712, 2416192), (1216, 1414744), (1424, 1208096), (1691, 1017344), (1987, 865792), (2432, 707372), (2848, 604048), (3382, 508672), (3974, 432896), (4864, 353686), (5696, 302024), (6764, 254336), (7948, 216448), (9728, 176843), (11392, 151012), (13528, 127168), (15896, 108224), (22784, 75506), (27056, 63584), (31792, 54112), (37753, 45568)]