163946240

素因数分解:

$2^8\times 5^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 394900800

約数和(自身を除く): 230954560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 349, 367, 640, 698, 734, 1280, 1396, 1468, 1745, 1835, 2792, 2936, 3490, 3670, 5584, 5872, 6980, 7340, 11168, 11744, 13960, 14680, 22336, 23488, 27920, 29360, 44672, 46976, 55840, 58720, 89344, 93952, 111680, 117440, 128083, 223360, 234880, 256166, 446720, 469760, 512332, 640415, 1024664, 1280830, 2049328, 2561660, 4098656, 5123320, 8197312, 10246640, 16394624, 20493280, 32789248, 40986560, 81973120, 163946240]

約数ペア:

[(1, 163946240), (2, 81973120), (4, 40986560), (5, 32789248), (8, 20493280), (10, 16394624), (16, 10246640), (20, 8197312), (32, 5123320), (40, 4098656), (64, 2561660), (80, 2049328), (128, 1280830), (160, 1024664), (256, 640415), (320, 512332), (349, 469760), (367, 446720), (640, 256166), (698, 234880), (734, 223360), (1280, 128083), (1396, 117440), (1468, 111680), (1745, 93952), (1835, 89344), (2792, 58720), (2936, 55840), (3490, 46976), (3670, 44672), (5584, 29360), (5872, 27920), (6980, 23488), (7340, 22336), (11168, 14680), (11744, 13960)]