1255332352

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:757

約数の個数: 80

約数和(自身を含む): 2612332800

約数和(自身を除く): 1357000448

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 139, 248, 256, 278, 496, 512, 556, 569, 992, 1112, 1138, 1984, 2224, 2276, 3968, 4309, 4448, 4552, 7936, 8618, 8896, 9104, 15872, 17236, 17639, 17792, 18208, 34472, 35278, 35584, 36416, 68944, 70556, 71168, 72832, 79091, 137888, 141112, 145664, 158182, 275776, 282224, 291328, 316364, 551552, 564448, 632728, 1103104, 1128896, 1265456, 2206208, 2257792, 2451821, 2530912, 4515584, 4903642, 5061824, 9031168, 9807284, 10123648, 19614568, 20247296, 39229136, 40494592, 78458272, 156916544, 313833088, 627666176, 1255332352]

約数ペア:

[(1, 1255332352), (2, 627666176), (4, 313833088), (8, 156916544), (16, 78458272), (31, 40494592), (32, 39229136), (62, 20247296), (64, 19614568), (124, 10123648), (128, 9807284), (139, 9031168), (248, 5061824), (256, 4903642), (278, 4515584), (496, 2530912), (512, 2451821), (556, 2257792), (569, 2206208), (992, 1265456), (1112, 1128896), (1138, 1103104), (1984, 632728), (2224, 564448), (2276, 551552), (3968, 316364), (4309, 291328), (4448, 282224), (4552, 275776), (7936, 158182), (8618, 145664), (8896, 141112), (9104, 137888), (15872, 79091), (17236, 72832), (17639, 71168), (17792, 70556), (18208, 68944), (34472, 36416), (35278, 35584)]