204981660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:628

約数の個数: 144

約数和(自身を含む): 674200800

約数和(自身を除く): 469219140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 251, 260, 349, 390, 468, 502, 585, 698, 753, 780, 1004, 1047, 1170, 1255, 1396, 1506, 1745, 2094, 2259, 2340, 2510, 3012, 3141, 3263, 3490, 3765, 4188, 4518, 4537, 5020, 5235, 6282, 6526, 6980, 7530, 9036, 9074, 9789, 10470, 11295, 12564, 13052, 13611, 15060, 15705, 16315, 18148, 19578, 20940, 22590, 22685, 27222, 29367, 31410, 32630, 39156, 40833, 45180, 45370, 48945, 54444, 58734, 62820, 65260, 68055, 81666, 87599, 90740, 97890, 117468, 136110, 146835, 163332, 175198, 195780, 204165, 262797, 272220, 293670, 350396, 408330, 437995, 525594, 587340, 788391, 816660, 875990, 1051188, 1138787, 1313985, 1576782, 1751980, 2277574, 2627970, 3153564, 3416361, 3941955, 4555148, 5255940, 5693935, 6832722, 7883910, 10249083, 11387870, 13665444, 15767820, 17081805, 20498166, 22775740, 34163610, 40996332, 51245415, 68327220, 102490830, 204981660]

約数ペア:

[(1, 204981660), (2, 102490830), (3, 68327220), (4, 51245415), (5, 40996332), (6, 34163610), (9, 22775740), (10, 20498166), (12, 17081805), (13, 15767820), (15, 13665444), (18, 11387870), (20, 10249083), (26, 7883910), (30, 6832722), (36, 5693935), (39, 5255940), (45, 4555148), (52, 3941955), (60, 3416361), (65, 3153564), (78, 2627970), (90, 2277574), (117, 1751980), (130, 1576782), (156, 1313985), (180, 1138787), (195, 1051188), (234, 875990), (251, 816660), (260, 788391), (349, 587340), (390, 525594), (468, 437995), (502, 408330), (585, 350396), (698, 293670), (753, 272220), (780, 262797), (1004, 204165), (1047, 195780), (1170, 175198), (1255, 163332), (1396, 146835), (1506, 136110), (1745, 117468), (2094, 97890), (2259, 90740), (2340, 87599), (2510, 81666), (3012, 68055), (3141, 65260), (3263, 62820), (3490, 58734), (3765, 54444), (4188, 48945), (4518, 45370), (4537, 45180), (5020, 40833), (5235, 39156), (6282, 32630), (6526, 31410), (6980, 29367), (7530, 27222), (9036, 22685), (9074, 22590), (9789, 20940), (10470, 19578), (11295, 18148), (12564, 16315), (13052, 15705), (13611, 15060)]