260443648

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:379

約数の個数: 80

約数和(自身を含む): 548000640

約数和(自身を除く): 287556992

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 244, 248, 256, 269, 488, 496, 512, 538, 976, 992, 1076, 1891, 1952, 1984, 2152, 3782, 3904, 3968, 4304, 7564, 7808, 7936, 8339, 8608, 15128, 15616, 15872, 16409, 16678, 17216, 30256, 31232, 32818, 33356, 34432, 60512, 65636, 66712, 68864, 121024, 131272, 133424, 137728, 242048, 262544, 266848, 484096, 508679, 525088, 533696, 968192, 1017358, 1050176, 1067392, 2034716, 2100352, 2134784, 4069432, 4200704, 4269568, 8138864, 8401408, 16277728, 32555456, 65110912, 130221824, 260443648]

約数ペア:

[(1, 260443648), (2, 130221824), (4, 65110912), (8, 32555456), (16, 16277728), (31, 8401408), (32, 8138864), (61, 4269568), (62, 4200704), (64, 4069432), (122, 2134784), (124, 2100352), (128, 2034716), (244, 1067392), (248, 1050176), (256, 1017358), (269, 968192), (488, 533696), (496, 525088), (512, 508679), (538, 484096), (976, 266848), (992, 262544), (1076, 242048), (1891, 137728), (1952, 133424), (1984, 131272), (2152, 121024), (3782, 68864), (3904, 66712), (3968, 65636), (4304, 60512), (7564, 34432), (7808, 33356), (7936, 32818), (8339, 31232), (8608, 30256), (15128, 17216), (15616, 16678), (15872, 16409)]