221213430

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3457}}^1$

素因数の和:3555

約数の個数: 80

約数和(自身を含む): 602521920

約数和(自身を除く): 381308490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 395, 405, 474, 711, 790, 810, 1185, 1422, 2133, 2370, 3457, 3555, 4266, 6399, 6914, 7110, 10371, 10665, 12798, 17285, 20742, 21330, 31113, 31995, 34570, 51855, 62226, 63990, 93339, 103710, 155565, 186678, 273103, 280017, 311130, 466695, 546206, 560034, 819309, 933390, 1365515, 1400085, 1638618, 2457927, 2731030, 2800170, 4096545, 4915854, 7373781, 8193090, 12289635, 14747562, 22121343, 24579270, 36868905, 44242686, 73737810, 110606715, 221213430]

約数ペア:

[(1, 221213430), (2, 110606715), (3, 73737810), (5, 44242686), (6, 36868905), (9, 24579270), (10, 22121343), (15, 14747562), (18, 12289635), (27, 8193090), (30, 7373781), (45, 4915854), (54, 4096545), (79, 2800170), (81, 2731030), (90, 2457927), (135, 1638618), (158, 1400085), (162, 1365515), (237, 933390), (270, 819309), (395, 560034), (405, 546206), (474, 466695), (711, 311130), (790, 280017), (810, 273103), (1185, 186678), (1422, 155565), (2133, 103710), (2370, 93339), (3457, 63990), (3555, 62226), (4266, 51855), (6399, 34570), (6914, 31995), (7110, 31113), (10371, 21330), (10665, 20742), (12798, 17285)]