1317505280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11311}}^1$

素因数の和:11352

約数の個数: 144

約数和(自身を含む): 3884450304

約数和(自身を除く): 2566945024

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, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2912, 3328, 3640, 4160, 4480, 5824, 7280, 8320, 8960, 11311, 11648, 14560, 16640, 22622, 23296, 29120, 45244, 56555, 58240, 79177, 90488, 113110, 116480, 147043, 158354, 180976, 226220, 294086, 316708, 361952, 395885, 452440, 588172, 633416, 723904, 735215, 791770, 904880, 1029301, 1176344, 1266832, 1447808, 1470430, 1583540, 1809760, 2058602, 2352688, 2533664, 2895616, 2940860, 3167080, 3619520, 4117204, 4705376, 5067328, 5146505, 5881720, 6334160, 7239040, 8234408, 9410752, 10134656, 10293010, 11763440, 12668320, 14478080, 16468816, 18821504, 20269312, 20586020, 23526880, 25336640, 32937632, 37643008, 41172040, 47053760, 50673280, 65875264, 82344080, 94107520, 101346560, 131750528, 164688160, 188215040, 263501056, 329376320, 658752640, 1317505280]

約数ペア:

[(1, 1317505280), (2, 658752640), (4, 329376320), (5, 263501056), (7, 188215040), (8, 164688160), (10, 131750528), (13, 101346560), (14, 94107520), (16, 82344080), (20, 65875264), (26, 50673280), (28, 47053760), (32, 41172040), (35, 37643008), (40, 32937632), (52, 25336640), (56, 23526880), (64, 20586020), (65, 20269312), (70, 18821504), (80, 16468816), (91, 14478080), (104, 12668320), (112, 11763440), (128, 10293010), (130, 10134656), (140, 9410752), (160, 8234408), (182, 7239040), (208, 6334160), (224, 5881720), (256, 5146505), (260, 5067328), (280, 4705376), (320, 4117204), (364, 3619520), (416, 3167080), (448, 2940860), (455, 2895616), (520, 2533664), (560, 2352688), (640, 2058602), (728, 1809760), (832, 1583540), (896, 1470430), (910, 1447808), (1040, 1266832), (1120, 1176344), (1280, 1029301), (1456, 904880), (1664, 791770), (1792, 735215), (1820, 723904), (2080, 633416), (2240, 588172), (2912, 452440), (3328, 395885), (3640, 361952), (4160, 316708), (4480, 294086), (5824, 226220), (7280, 180976), (8320, 158354), (8960, 147043), (11311, 116480), (11648, 113110), (14560, 90488), (16640, 79177), (22622, 58240), (23296, 56555), (29120, 45244)]