7421440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:259

約数の個数: 80

約数和(自身を含む): 19248768

約数和(自身を除く): 11827328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 223, 256, 260, 320, 416, 446, 512, 520, 640, 832, 892, 1040, 1115, 1280, 1664, 1784, 2080, 2230, 2560, 2899, 3328, 3568, 4160, 4460, 5798, 6656, 7136, 8320, 8920, 11596, 14272, 14495, 16640, 17840, 23192, 28544, 28990, 33280, 35680, 46384, 57088, 57980, 71360, 92768, 114176, 115960, 142720, 185536, 231920, 285440, 371072, 463840, 570880, 742144, 927680, 1484288, 1855360, 3710720, 7421440]

約数ペア:

[(1, 7421440), (2, 3710720), (4, 1855360), (5, 1484288), (8, 927680), (10, 742144), (13, 570880), (16, 463840), (20, 371072), (26, 285440), (32, 231920), (40, 185536), (52, 142720), (64, 115960), (65, 114176), (80, 92768), (104, 71360), (128, 57980), (130, 57088), (160, 46384), (208, 35680), (223, 33280), (256, 28990), (260, 28544), (320, 23192), (416, 17840), (446, 16640), (512, 14495), (520, 14272), (640, 11596), (832, 8920), (892, 8320), (1040, 7136), (1115, 6656), (1280, 5798), (1664, 4460), (1784, 4160), (2080, 3568), (2230, 3328), (2560, 2899)]