81183900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{577}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 272926976

約数和(自身を除く): 191743076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 67, 70, 75, 84, 100, 105, 134, 140, 150, 175, 201, 210, 268, 300, 335, 350, 402, 420, 469, 525, 577, 670, 700, 804, 938, 1005, 1050, 1154, 1340, 1407, 1675, 1731, 1876, 2010, 2100, 2308, 2345, 2814, 2885, 3350, 3462, 4020, 4039, 4690, 5025, 5628, 5770, 6700, 6924, 7035, 8078, 8655, 9380, 10050, 11540, 11725, 12117, 14070, 14425, 16156, 17310, 20100, 20195, 23450, 24234, 28140, 28850, 34620, 35175, 38659, 40390, 43275, 46900, 48468, 57700, 60585, 70350, 77318, 80780, 86550, 100975, 115977, 121170, 140700, 154636, 173100, 193295, 201950, 231954, 242340, 270613, 302925, 386590, 403900, 463908, 541226, 579885, 605850, 773180, 811839, 966475, 1082452, 1159770, 1211700, 1353065, 1623678, 1932950, 2319540, 2706130, 2899425, 3247356, 3865900, 4059195, 5412260, 5798850, 6765325, 8118390, 11597700, 13530650, 16236780, 20295975, 27061300, 40591950, 81183900]

約数ペア:

[(1, 81183900), (2, 40591950), (3, 27061300), (4, 20295975), (5, 16236780), (6, 13530650), (7, 11597700), (10, 8118390), (12, 6765325), (14, 5798850), (15, 5412260), (20, 4059195), (21, 3865900), (25, 3247356), (28, 2899425), (30, 2706130), (35, 2319540), (42, 1932950), (50, 1623678), (60, 1353065), (67, 1211700), (70, 1159770), (75, 1082452), (84, 966475), (100, 811839), (105, 773180), (134, 605850), (140, 579885), (150, 541226), (175, 463908), (201, 403900), (210, 386590), (268, 302925), (300, 270613), (335, 242340), (350, 231954), (402, 201950), (420, 193295), (469, 173100), (525, 154636), (577, 140700), (670, 121170), (700, 115977), (804, 100975), (938, 86550), (1005, 80780), (1050, 77318), (1154, 70350), (1340, 60585), (1407, 57700), (1675, 48468), (1731, 46900), (1876, 43275), (2010, 40390), (2100, 38659), (2308, 35175), (2345, 34620), (2814, 28850), (2885, 28140), (3350, 24234), (3462, 23450), (4020, 20195), (4039, 20100), (4690, 17310), (5025, 16156), (5628, 14425), (5770, 14070), (6700, 12117), (6924, 11725), (7035, 11540), (8078, 10050), (8655, 9380)]