221486720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3803}}^1$

素因数の和:3842

約数の個数: 128

約数和(自身を含む): 651853440

約数和(自身を除く): 430366720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3640, 3803, 4160, 4480, 5824, 7280, 7606, 8320, 11648, 14560, 15212, 19015, 26621, 29120, 30424, 38030, 49439, 53242, 58240, 60848, 76060, 98878, 106484, 121696, 133105, 152120, 197756, 212968, 243392, 247195, 266210, 304240, 346073, 395512, 425936, 486784, 494390, 532420, 608480, 692146, 791024, 851872, 988780, 1064840, 1216960, 1384292, 1582048, 1703744, 1730365, 1977560, 2129680, 2433920, 2768584, 3164096, 3407488, 3460730, 3955120, 4259360, 5537168, 6328192, 6921460, 7910240, 8518720, 11074336, 13842920, 15820480, 17037440, 22148672, 27685840, 31640960, 44297344, 55371680, 110743360, 221486720]

約数ペア:

[(1, 221486720), (2, 110743360), (4, 55371680), (5, 44297344), (7, 31640960), (8, 27685840), (10, 22148672), (13, 17037440), (14, 15820480), (16, 13842920), (20, 11074336), (26, 8518720), (28, 7910240), (32, 6921460), (35, 6328192), (40, 5537168), (52, 4259360), (56, 3955120), (64, 3460730), (65, 3407488), (70, 3164096), (80, 2768584), (91, 2433920), (104, 2129680), (112, 1977560), (128, 1730365), (130, 1703744), (140, 1582048), (160, 1384292), (182, 1216960), (208, 1064840), (224, 988780), (260, 851872), (280, 791024), (320, 692146), (364, 608480), (416, 532420), (448, 494390), (455, 486784), (520, 425936), (560, 395512), (640, 346073), (728, 304240), (832, 266210), (896, 247195), (910, 243392), (1040, 212968), (1120, 197756), (1456, 152120), (1664, 133105), (1820, 121696), (2080, 106484), (2240, 98878), (2912, 76060), (3640, 60848), (3803, 58240), (4160, 53242), (4480, 49439), (5824, 38030), (7280, 30424), (7606, 29120), (8320, 26621), (11648, 19015), (14560, 15212)]