320895232

素因数分解:

$2^8\times 7^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:895

約数の個数: 72

約数和(自身を含む): 735611072

約数和(自身を除く): 414715840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 331, 448, 541, 662, 896, 1082, 1324, 1792, 2164, 2317, 2648, 3787, 4328, 4634, 5296, 7574, 8656, 9268, 10592, 15148, 17312, 18536, 21184, 30296, 34624, 37072, 42368, 60592, 69248, 74144, 84736, 121184, 138496, 148288, 179071, 242368, 296576, 358142, 484736, 593152, 716284, 969472, 1253497, 1432568, 2506994, 2865136, 5013988, 5730272, 10027976, 11460544, 20055952, 22921088, 40111904, 45842176, 80223808, 160447616, 320895232]

約数ペア:

[(1, 320895232), (2, 160447616), (4, 80223808), (7, 45842176), (8, 40111904), (14, 22921088), (16, 20055952), (28, 11460544), (32, 10027976), (56, 5730272), (64, 5013988), (112, 2865136), (128, 2506994), (224, 1432568), (256, 1253497), (331, 969472), (448, 716284), (541, 593152), (662, 484736), (896, 358142), (1082, 296576), (1324, 242368), (1792, 179071), (2164, 148288), (2317, 138496), (2648, 121184), (3787, 84736), (4328, 74144), (4634, 69248), (5296, 60592), (7574, 42368), (8656, 37072), (9268, 34624), (10592, 30296), (15148, 21184), (17312, 18536)]