54343040

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 141372000

約数和(自身を除く): 87028960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 109, 128, 152, 160, 164, 190, 205, 218, 304, 320, 328, 380, 410, 436, 545, 608, 640, 656, 760, 779, 820, 872, 1090, 1216, 1312, 1520, 1558, 1640, 1744, 2071, 2180, 2432, 2624, 3040, 3116, 3280, 3488, 3895, 4142, 4360, 4469, 5248, 6080, 6232, 6560, 6976, 7790, 8284, 8720, 8938, 10355, 12160, 12464, 13120, 13952, 15580, 16568, 17440, 17876, 20710, 22345, 24928, 26240, 31160, 33136, 34880, 35752, 41420, 44690, 49856, 62320, 66272, 69760, 71504, 82840, 84911, 89380, 99712, 124640, 132544, 143008, 165680, 169822, 178760, 249280, 265088, 286016, 331360, 339644, 357520, 424555, 498560, 572032, 662720, 679288, 715040, 849110, 1325440, 1358576, 1430080, 1698220, 2717152, 2860160, 3396440, 5434304, 6792880, 10868608, 13585760, 27171520, 54343040]

約数ペア:

[(1, 54343040), (2, 27171520), (4, 13585760), (5, 10868608), (8, 6792880), (10, 5434304), (16, 3396440), (19, 2860160), (20, 2717152), (32, 1698220), (38, 1430080), (40, 1358576), (41, 1325440), (64, 849110), (76, 715040), (80, 679288), (82, 662720), (95, 572032), (109, 498560), (128, 424555), (152, 357520), (160, 339644), (164, 331360), (190, 286016), (205, 265088), (218, 249280), (304, 178760), (320, 169822), (328, 165680), (380, 143008), (410, 132544), (436, 124640), (545, 99712), (608, 89380), (640, 84911), (656, 82840), (760, 71504), (779, 69760), (820, 66272), (872, 62320), (1090, 49856), (1216, 44690), (1312, 41420), (1520, 35752), (1558, 34880), (1640, 33136), (1744, 31160), (2071, 26240), (2180, 24928), (2432, 22345), (2624, 20710), (3040, 17876), (3116, 17440), (3280, 16568), (3488, 15580), (3895, 13952), (4142, 13120), (4360, 12464), (4469, 12160), (5248, 10355), (6080, 8938), (6232, 8720), (6560, 8284), (6976, 7790)]