1323595720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 3199046400

約数和(自身を除く): 1875450680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 67, 92, 109, 115, 134, 184, 197, 218, 230, 268, 335, 394, 436, 460, 536, 545, 670, 788, 872, 920, 985, 1090, 1340, 1541, 1576, 1970, 2180, 2507, 2680, 3082, 3940, 4360, 4531, 5014, 6164, 7303, 7705, 7880, 9062, 10028, 12328, 12535, 13199, 14606, 15410, 18124, 20056, 21473, 22655, 25070, 26398, 29212, 30820, 36248, 36515, 42946, 45310, 50140, 52796, 58424, 61640, 65995, 73030, 85892, 90620, 100280, 105592, 107365, 131990, 146060, 167969, 171784, 181240, 214730, 263980, 292120, 303577, 335938, 429460, 493879, 527960, 607154, 671876, 839845, 858920, 987758, 1214308, 1343752, 1438691, 1517885, 1679690, 1975516, 2428616, 2469395, 2877382, 3035770, 3359380, 3951032, 4938790, 5754764, 6071540, 6718760, 7193455, 9877580, 11509528, 12143080, 14386910, 19755160, 28773820, 33089893, 57547640, 66179786, 132359572, 165449465, 264719144, 330898930, 661797860, 1323595720]

約数ペア:

[(1, 1323595720), (2, 661797860), (4, 330898930), (5, 264719144), (8, 165449465), (10, 132359572), (20, 66179786), (23, 57547640), (40, 33089893), (46, 28773820), (67, 19755160), (92, 14386910), (109, 12143080), (115, 11509528), (134, 9877580), (184, 7193455), (197, 6718760), (218, 6071540), (230, 5754764), (268, 4938790), (335, 3951032), (394, 3359380), (436, 3035770), (460, 2877382), (536, 2469395), (545, 2428616), (670, 1975516), (788, 1679690), (872, 1517885), (920, 1438691), (985, 1343752), (1090, 1214308), (1340, 987758), (1541, 858920), (1576, 839845), (1970, 671876), (2180, 607154), (2507, 527960), (2680, 493879), (3082, 429460), (3940, 335938), (4360, 303577), (4531, 292120), (5014, 263980), (6164, 214730), (7303, 181240), (7705, 171784), (7880, 167969), (9062, 146060), (10028, 131990), (12328, 107365), (12535, 105592), (13199, 100280), (14606, 90620), (15410, 85892), (18124, 73030), (20056, 65995), (21473, 61640), (22655, 58424), (25070, 52796), (26398, 50140), (29212, 45310), (30820, 42946), (36248, 36515)]