168285440

素因数分解:

$2^8\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1801}}^1$

素因数の和:1895

約数の個数: 72

約数和(自身を含む): 408844968

約数和(自身を除く): 240559528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 584, 640, 730, 1168, 1280, 1460, 1801, 2336, 2920, 3602, 4672, 5840, 7204, 9005, 9344, 11680, 14408, 18010, 18688, 23360, 28816, 36020, 46720, 57632, 72040, 93440, 115264, 131473, 144080, 230528, 262946, 288160, 461056, 525892, 576320, 657365, 1051784, 1152640, 1314730, 2103568, 2305280, 2629460, 4207136, 5258920, 8414272, 10517840, 16828544, 21035680, 33657088, 42071360, 84142720, 168285440]

約数ペア:

[(1, 168285440), (2, 84142720), (4, 42071360), (5, 33657088), (8, 21035680), (10, 16828544), (16, 10517840), (20, 8414272), (32, 5258920), (40, 4207136), (64, 2629460), (73, 2305280), (80, 2103568), (128, 1314730), (146, 1152640), (160, 1051784), (256, 657365), (292, 576320), (320, 525892), (365, 461056), (584, 288160), (640, 262946), (730, 230528), (1168, 144080), (1280, 131473), (1460, 115264), (1801, 93440), (2336, 72040), (2920, 57632), (3602, 46720), (4672, 36020), (5840, 28816), (7204, 23360), (9005, 18688), (9344, 18010), (11680, 14408)]