131730560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 345461760

約数和(自身を除く): 213731200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 71, 80, 104, 128, 130, 142, 160, 208, 223, 260, 284, 320, 355, 416, 446, 520, 568, 640, 710, 832, 892, 923, 1040, 1115, 1136, 1420, 1664, 1784, 1846, 2080, 2230, 2272, 2840, 2899, 3568, 3692, 4160, 4460, 4544, 4615, 5680, 5798, 7136, 7384, 8320, 8920, 9088, 9230, 11360, 11596, 14272, 14495, 14768, 15833, 17840, 18460, 22720, 23192, 28544, 28990, 29536, 31666, 35680, 36920, 45440, 46384, 57980, 59072, 63332, 71360, 73840, 79165, 92768, 115960, 118144, 126664, 142720, 147680, 158330, 185536, 205829, 231920, 253328, 295360, 316660, 371072, 411658, 463840, 506656, 590720, 633320, 823316, 927680, 1013312, 1029145, 1266640, 1646632, 1855360, 2026624, 2058290, 2533280, 3293264, 4116580, 5066560, 6586528, 8233160, 10133120, 13173056, 16466320, 26346112, 32932640, 65865280, 131730560]

約数ペア:

[(1, 131730560), (2, 65865280), (4, 32932640), (5, 26346112), (8, 16466320), (10, 13173056), (13, 10133120), (16, 8233160), (20, 6586528), (26, 5066560), (32, 4116580), (40, 3293264), (52, 2533280), (64, 2058290), (65, 2026624), (71, 1855360), (80, 1646632), (104, 1266640), (128, 1029145), (130, 1013312), (142, 927680), (160, 823316), (208, 633320), (223, 590720), (260, 506656), (284, 463840), (320, 411658), (355, 371072), (416, 316660), (446, 295360), (520, 253328), (568, 231920), (640, 205829), (710, 185536), (832, 158330), (892, 147680), (923, 142720), (1040, 126664), (1115, 118144), (1136, 115960), (1420, 92768), (1664, 79165), (1784, 73840), (1846, 71360), (2080, 63332), (2230, 59072), (2272, 57980), (2840, 46384), (2899, 45440), (3568, 36920), (3692, 35680), (4160, 31666), (4460, 29536), (4544, 28990), (4615, 28544), (5680, 23192), (5798, 22720), (7136, 18460), (7384, 17840), (8320, 15833), (8920, 14768), (9088, 14495), (9230, 14272), (11360, 11596)]