390316160

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1166

約数の個数: 128

約数和(自身を含む): 1029188160

約数和(自身を除く): 638872000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 260, 320, 344, 416, 430, 520, 559, 640, 688, 832, 860, 1040, 1091, 1118, 1376, 1664, 1720, 2080, 2182, 2236, 2752, 2795, 3440, 4160, 4364, 4472, 5455, 5504, 5590, 6880, 8320, 8728, 8944, 10910, 11180, 13760, 14183, 17456, 17888, 21820, 22360, 27520, 28366, 34912, 35776, 43640, 44720, 46913, 56732, 69824, 70915, 71552, 87280, 89440, 93826, 113464, 139648, 141830, 174560, 178880, 187652, 226928, 234565, 283660, 349120, 357760, 375304, 453856, 469130, 567320, 609869, 698240, 750608, 907712, 938260, 1134640, 1219738, 1501216, 1815424, 1876520, 2269280, 2439476, 3002432, 3049345, 3753040, 4538560, 4878952, 6004864, 6098690, 7506080, 9077120, 9757904, 12197380, 15012160, 19515808, 24394760, 30024320, 39031616, 48789520, 78063232, 97579040, 195158080, 390316160]

約数ペア:

[(1, 390316160), (2, 195158080), (4, 97579040), (5, 78063232), (8, 48789520), (10, 39031616), (13, 30024320), (16, 24394760), (20, 19515808), (26, 15012160), (32, 12197380), (40, 9757904), (43, 9077120), (52, 7506080), (64, 6098690), (65, 6004864), (80, 4878952), (86, 4538560), (104, 3753040), (128, 3049345), (130, 3002432), (160, 2439476), (172, 2269280), (208, 1876520), (215, 1815424), (260, 1501216), (320, 1219738), (344, 1134640), (416, 938260), (430, 907712), (520, 750608), (559, 698240), (640, 609869), (688, 567320), (832, 469130), (860, 453856), (1040, 375304), (1091, 357760), (1118, 349120), (1376, 283660), (1664, 234565), (1720, 226928), (2080, 187652), (2182, 178880), (2236, 174560), (2752, 141830), (2795, 139648), (3440, 113464), (4160, 93826), (4364, 89440), (4472, 87280), (5455, 71552), (5504, 70915), (5590, 69824), (6880, 56732), (8320, 46913), (8728, 44720), (8944, 43640), (10910, 35776), (11180, 34912), (13760, 28366), (14183, 27520), (17456, 22360), (17888, 21820)]