201139380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 144

約数和(自身を含む): 672672000

約数和(自身を除く): 471532620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 1999, 2236, 2340, 2580, 2795, 3354, 3870, 3998, 5031, 5590, 5997, 6708, 7740, 7996, 8385, 9995, 10062, 11180, 11994, 16770, 17991, 19990, 20124, 23988, 25155, 25987, 29985, 33540, 35982, 39980, 50310, 51974, 59970, 71964, 77961, 85957, 89955, 100620, 103948, 119940, 129935, 155922, 171914, 179910, 233883, 257871, 259870, 311844, 343828, 359820, 389805, 429785, 467766, 515742, 519740, 773613, 779610, 859570, 935532, 1031484, 1117441, 1169415, 1289355, 1547226, 1559220, 1719140, 2234882, 2338830, 2578710, 3094452, 3352323, 3868065, 4469764, 4677660, 5157420, 5587205, 6704646, 7736130, 10056969, 11174410, 13409292, 15472260, 16761615, 20113938, 22348820, 33523230, 40227876, 50284845, 67046460, 100569690, 201139380]

約数ペア:

[(1, 201139380), (2, 100569690), (3, 67046460), (4, 50284845), (5, 40227876), (6, 33523230), (9, 22348820), (10, 20113938), (12, 16761615), (13, 15472260), (15, 13409292), (18, 11174410), (20, 10056969), (26, 7736130), (30, 6704646), (36, 5587205), (39, 5157420), (43, 4677660), (45, 4469764), (52, 3868065), (60, 3352323), (65, 3094452), (78, 2578710), (86, 2338830), (90, 2234882), (117, 1719140), (129, 1559220), (130, 1547226), (156, 1289355), (172, 1169415), (180, 1117441), (195, 1031484), (215, 935532), (234, 859570), (258, 779610), (260, 773613), (387, 519740), (390, 515742), (430, 467766), (468, 429785), (516, 389805), (559, 359820), (585, 343828), (645, 311844), (774, 259870), (780, 257871), (860, 233883), (1118, 179910), (1170, 171914), (1290, 155922), (1548, 129935), (1677, 119940), (1935, 103948), (1999, 100620), (2236, 89955), (2340, 85957), (2580, 77961), (2795, 71964), (3354, 59970), (3870, 51974), (3998, 50310), (5031, 39980), (5590, 35982), (5997, 33540), (6708, 29985), (7740, 25987), (7996, 25155), (8385, 23988), (9995, 20124), (10062, 19990), (11180, 17991), (11994, 16770)]