67928800

素因数分解:

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

素因数の和:189

約数の個数: 144

約数和(自身を含む): 180457200

約数和(自身を除く): 112528400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 41, 50, 76, 80, 82, 95, 100, 109, 152, 160, 164, 190, 200, 205, 218, 304, 328, 380, 400, 410, 436, 475, 545, 608, 656, 760, 779, 800, 820, 872, 950, 1025, 1090, 1312, 1520, 1558, 1640, 1744, 1900, 2050, 2071, 2180, 2725, 3040, 3116, 3280, 3488, 3800, 3895, 4100, 4142, 4360, 4469, 5450, 6232, 6560, 7600, 7790, 8200, 8284, 8720, 8938, 10355, 10900, 12464, 15200, 15580, 16400, 16568, 17440, 17876, 19475, 20710, 21800, 22345, 24928, 31160, 32800, 33136, 35752, 38950, 41420, 43600, 44690, 51775, 62320, 66272, 71504, 77900, 82840, 84911, 87200, 89380, 103550, 111725, 124640, 143008, 155800, 165680, 169822, 178760, 207100, 223450, 311600, 331360, 339644, 357520, 414200, 424555, 446900, 623200, 679288, 715040, 828400, 849110, 893800, 1358576, 1656800, 1698220, 1787600, 2122775, 2717152, 3396440, 3575200, 4245550, 6792880, 8491100, 13585760, 16982200, 33964400, 67928800]

約数ペア:

[(1, 67928800), (2, 33964400), (4, 16982200), (5, 13585760), (8, 8491100), (10, 6792880), (16, 4245550), (19, 3575200), (20, 3396440), (25, 2717152), (32, 2122775), (38, 1787600), (40, 1698220), (41, 1656800), (50, 1358576), (76, 893800), (80, 849110), (82, 828400), (95, 715040), (100, 679288), (109, 623200), (152, 446900), (160, 424555), (164, 414200), (190, 357520), (200, 339644), (205, 331360), (218, 311600), (304, 223450), (328, 207100), (380, 178760), (400, 169822), (410, 165680), (436, 155800), (475, 143008), (545, 124640), (608, 111725), (656, 103550), (760, 89380), (779, 87200), (800, 84911), (820, 82840), (872, 77900), (950, 71504), (1025, 66272), (1090, 62320), (1312, 51775), (1520, 44690), (1558, 43600), (1640, 41420), (1744, 38950), (1900, 35752), (2050, 33136), (2071, 32800), (2180, 31160), (2725, 24928), (3040, 22345), (3116, 21800), (3280, 20710), (3488, 19475), (3800, 17876), (3895, 17440), (4100, 16568), (4142, 16400), (4360, 15580), (4469, 15200), (5450, 12464), (6232, 10900), (6560, 10355), (7600, 8938), (7790, 8720), (8200, 8284)]