127749760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 128

約数和(自身を含む): 324311040

約数和(自身を除く): 196561280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 128, 137, 155, 160, 188, 235, 248, 274, 310, 320, 376, 470, 496, 548, 620, 640, 685, 752, 940, 992, 1096, 1240, 1370, 1457, 1504, 1880, 1984, 2192, 2480, 2740, 2914, 3008, 3760, 3968, 4247, 4384, 4960, 5480, 5828, 6016, 6439, 7285, 7520, 8494, 8768, 9920, 10960, 11656, 12878, 14570, 15040, 16988, 17536, 19840, 21235, 21920, 23312, 25756, 29140, 30080, 32195, 33976, 42470, 43840, 46624, 51512, 58280, 64390, 67952, 84940, 87680, 93248, 103024, 116560, 128780, 135904, 169880, 186496, 199609, 206048, 233120, 257560, 271808, 339760, 399218, 412096, 466240, 515120, 543616, 679520, 798436, 824192, 932480, 998045, 1030240, 1359040, 1596872, 1996090, 2060480, 2718080, 3193744, 3992180, 4120960, 6387488, 7984360, 12774976, 15968720, 25549952, 31937440, 63874880, 127749760]

約数ペア:

[(1, 127749760), (2, 63874880), (4, 31937440), (5, 25549952), (8, 15968720), (10, 12774976), (16, 7984360), (20, 6387488), (31, 4120960), (32, 3992180), (40, 3193744), (47, 2718080), (62, 2060480), (64, 1996090), (80, 1596872), (94, 1359040), (124, 1030240), (128, 998045), (137, 932480), (155, 824192), (160, 798436), (188, 679520), (235, 543616), (248, 515120), (274, 466240), (310, 412096), (320, 399218), (376, 339760), (470, 271808), (496, 257560), (548, 233120), (620, 206048), (640, 199609), (685, 186496), (752, 169880), (940, 135904), (992, 128780), (1096, 116560), (1240, 103024), (1370, 93248), (1457, 87680), (1504, 84940), (1880, 67952), (1984, 64390), (2192, 58280), (2480, 51512), (2740, 46624), (2914, 43840), (3008, 42470), (3760, 33976), (3968, 32195), (4247, 30080), (4384, 29140), (4960, 25756), (5480, 23312), (5828, 21920), (6016, 21235), (6439, 19840), (7285, 17536), (7520, 16988), (8494, 15040), (8768, 14570), (9920, 12878), (10960, 11656)]